15502850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 31980096

約数和(自身を除く): 16477246

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 397, 550, 710, 781, 794, 1562, 1775, 1985, 3550, 3905, 3970, 4367, 7810, 8734, 9925, 19525, 19850, 21835, 28187, 39050, 43670, 56374, 109175, 140935, 218350, 281870, 310057, 620114, 704675, 1409350, 1550285, 3100570, 7751425, 15502850]

約数ペア:

[(1, 15502850), (2, 7751425), (5, 3100570), (10, 1550285), (11, 1409350), (22, 704675), (25, 620114), (50, 310057), (55, 281870), (71, 218350), (110, 140935), (142, 109175), (275, 56374), (355, 43670), (397, 39050), (550, 28187), (710, 21835), (781, 19850), (794, 19525), (1562, 9925), (1775, 8734), (1985, 7810), (3550, 4367), (3905, 3970)]