397164020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{2861}}^1$

素因数の和:3512

約数の個数: 48

約数和(自身を含む): 911627136

約数和(自身を除く): 514463116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 631, 1262, 2524, 2861, 3155, 5722, 6310, 6941, 11444, 12620, 13882, 14305, 27764, 28610, 31471, 34705, 57220, 62942, 69410, 125884, 138820, 157355, 314710, 629420, 1805291, 3610582, 7221164, 9026455, 18052910, 19858201, 36105820, 39716402, 79432804, 99291005, 198582010, 397164020]

約数ペア:

[(1, 397164020), (2, 198582010), (4, 99291005), (5, 79432804), (10, 39716402), (11, 36105820), (20, 19858201), (22, 18052910), (44, 9026455), (55, 7221164), (110, 3610582), (220, 1805291), (631, 629420), (1262, 314710), (2524, 157355), (2861, 138820), (3155, 125884), (5722, 69410), (6310, 62942), (6941, 57220), (11444, 34705), (12620, 31471), (13882, 28610), (14305, 27764)]