939771620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{12487}}^1$

素因数の和:12620

約数の個数: 48

約数和(自身を含む): 2039240448

約数和(自身を除く): 1099468828

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 212, 265, 284, 355, 530, 710, 1060, 1420, 3763, 7526, 12487, 15052, 18815, 24974, 37630, 49948, 62435, 75260, 124870, 249740, 661811, 886577, 1323622, 1773154, 2647244, 3309055, 3546308, 4432885, 6618110, 8865770, 13236220, 17731540, 46988581, 93977162, 187954324, 234942905, 469885810, 939771620]

約数ペア:

[(1, 939771620), (2, 469885810), (4, 234942905), (5, 187954324), (10, 93977162), (20, 46988581), (53, 17731540), (71, 13236220), (106, 8865770), (142, 6618110), (212, 4432885), (265, 3546308), (284, 3309055), (355, 2647244), (530, 1773154), (710, 1323622), (1060, 886577), (1420, 661811), (3763, 249740), (7526, 124870), (12487, 75260), (15052, 62435), (18815, 49948), (24974, 37630)]