201318700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 478813104

約数和(自身を除く): 277494404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 397, 461, 550, 794, 922, 1100, 1588, 1844, 1985, 2305, 3970, 4367, 4610, 5071, 7940, 8734, 9220, 9925, 10142, 11525, 17468, 19850, 20284, 21835, 23050, 25355, 39700, 43670, 46100, 50710, 87340, 101420, 109175, 126775, 183017, 218350, 253550, 366034, 436700, 507100, 732068, 915085, 1830170, 2013187, 3660340, 4026374, 4575425, 8052748, 9150850, 10065935, 18301700, 20131870, 40263740, 50329675, 100659350, 201318700]

約数ペア:

[(1, 201318700), (2, 100659350), (4, 50329675), (5, 40263740), (10, 20131870), (11, 18301700), (20, 10065935), (22, 9150850), (25, 8052748), (44, 4575425), (50, 4026374), (55, 3660340), (100, 2013187), (110, 1830170), (220, 915085), (275, 732068), (397, 507100), (461, 436700), (550, 366034), (794, 253550), (922, 218350), (1100, 183017), (1588, 126775), (1844, 109175), (1985, 101420), (2305, 87340), (3970, 50710), (4367, 46100), (4610, 43670), (5071, 39700), (7940, 25355), (8734, 23050), (9220, 21835), (9925, 20284), (10142, 19850), (11525, 17468)]