16830550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 34712064

約数和(自身を除く): 17881514

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 431, 550, 710, 781, 862, 1562, 1775, 2155, 3550, 3905, 4310, 4741, 7810, 9482, 10775, 19525, 21550, 23705, 30601, 39050, 47410, 61202, 118525, 153005, 237050, 306010, 336611, 673222, 765025, 1530050, 1683055, 3366110, 8415275, 16830550]

約数ペア:

[(1, 16830550), (2, 8415275), (5, 3366110), (10, 1683055), (11, 1530050), (22, 765025), (25, 673222), (50, 336611), (55, 306010), (71, 237050), (110, 153005), (142, 118525), (275, 61202), (355, 47410), (431, 39050), (550, 30601), (710, 23705), (781, 21550), (862, 19525), (1562, 10775), (1775, 9482), (2155, 7810), (3550, 4741), (3905, 4310)]