421115960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4079}}^1$

素因数の和:4208

約数の個数: 64

約数和(自身を含む): 991440000

約数和(自身を除く): 570324040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 232, 290, 356, 445, 580, 712, 890, 1160, 1780, 2581, 3560, 4079, 5162, 8158, 10324, 12905, 16316, 20395, 20648, 25810, 32632, 40790, 51620, 81580, 103240, 118291, 163160, 236582, 363031, 473164, 591455, 726062, 946328, 1182910, 1452124, 1815155, 2365820, 2904248, 3630310, 4731640, 7260620, 10527899, 14521240, 21055798, 42111596, 52639495, 84223192, 105278990, 210557980, 421115960]

約数ペア:

[(1, 421115960), (2, 210557980), (4, 105278990), (5, 84223192), (8, 52639495), (10, 42111596), (20, 21055798), (29, 14521240), (40, 10527899), (58, 7260620), (89, 4731640), (116, 3630310), (145, 2904248), (178, 2365820), (232, 1815155), (290, 1452124), (356, 1182910), (445, 946328), (580, 726062), (712, 591455), (890, 473164), (1160, 363031), (1780, 236582), (2581, 163160), (3560, 118291), (4079, 103240), (5162, 81580), (8158, 51620), (10324, 40790), (12905, 32632), (16316, 25810), (20395, 20648)]