251351952

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 670498752

約数和(自身を除く): 419146800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 307, 444, 461, 592, 614, 888, 921, 922, 1228, 1383, 1776, 1842, 1844, 2456, 2766, 3684, 3688, 4912, 5532, 7368, 7376, 11064, 11359, 14736, 17057, 22128, 22718, 34077, 34114, 45436, 51171, 68154, 68228, 90872, 102342, 136308, 136456, 141527, 181744, 204684, 272616, 272912, 283054, 409368, 424581, 545232, 566108, 818736, 849162, 1132216, 1698324, 2264432, 3396648, 5236499, 6793296, 10472998, 15709497, 20945996, 31418994, 41891992, 62837988, 83783984, 125675976, 251351952]

約数ペア:

[(1, 251351952), (2, 125675976), (3, 83783984), (4, 62837988), (6, 41891992), (8, 31418994), (12, 20945996), (16, 15709497), (24, 10472998), (37, 6793296), (48, 5236499), (74, 3396648), (111, 2264432), (148, 1698324), (222, 1132216), (296, 849162), (307, 818736), (444, 566108), (461, 545232), (592, 424581), (614, 409368), (888, 283054), (921, 272912), (922, 272616), (1228, 204684), (1383, 181744), (1776, 141527), (1842, 136456), (1844, 136308), (2456, 102342), (2766, 90872), (3684, 68228), (3688, 68154), (4912, 51171), (5532, 45436), (7368, 34114), (7376, 34077), (11064, 22718), (11359, 22128), (14736, 17057)]