1421370940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 3317630400

約数和(自身を除く): 1896259460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 229, 317, 356, 445, 458, 634, 890, 916, 979, 1145, 1268, 1585, 1780, 1958, 2290, 2519, 3170, 3487, 3916, 4580, 4895, 5038, 6340, 6974, 9790, 10076, 12595, 13948, 17435, 19580, 20381, 25190, 28213, 34870, 40762, 50380, 56426, 69740, 72593, 81524, 101905, 112852, 141065, 145186, 203810, 224191, 282130, 290372, 310343, 362965, 407620, 448382, 564260, 620686, 725930, 798523, 896764, 1120955, 1241372, 1451860, 1551715, 1597046, 2241910, 3103430, 3194092, 3992615, 4483820, 6206860, 6460777, 7985230, 12921554, 15970460, 25843108, 32303885, 64607770, 71068547, 129215540, 142137094, 284274188, 355342735, 710685470, 1421370940]

約数ペア:

[(1, 1421370940), (2, 710685470), (4, 355342735), (5, 284274188), (10, 142137094), (11, 129215540), (20, 71068547), (22, 64607770), (44, 32303885), (55, 25843108), (89, 15970460), (110, 12921554), (178, 7985230), (220, 6460777), (229, 6206860), (317, 4483820), (356, 3992615), (445, 3194092), (458, 3103430), (634, 2241910), (890, 1597046), (916, 1551715), (979, 1451860), (1145, 1241372), (1268, 1120955), (1585, 896764), (1780, 798523), (1958, 725930), (2290, 620686), (2519, 564260), (3170, 448382), (3487, 407620), (3916, 362965), (4580, 310343), (4895, 290372), (5038, 282130), (6340, 224191), (6974, 203810), (9790, 145186), (10076, 141065), (12595, 112852), (13948, 101905), (17435, 81524), (19580, 72593), (20381, 69740), (25190, 56426), (28213, 50380), (34870, 40762)]