<?php while ( have_rows( 'numbers', 'options' ) ) :
the_row(); ?>
<?php the_sub_field( 'num', 'options' ); ?>
<?php endwhile; ?>
<?php $numbers = get_option('options_' .'numbers', true);
if ($numbers) {
for ($i=0; $i < $numbers; $i++) {
$num = 'numbers_'.$i.'_num';?>
<?php echo get_option('options_' . $num, true); ?>
<?php }
} ?>