16957640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 44271360

約数和(自身を除く): 27313720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 853, 994, 1420, 1706, 1988, 2485, 2840, 3412, 3976, 4265, 4970, 5971, 6824, 8530, 9940, 11942, 17060, 19880, 23884, 29855, 34120, 47768, 59710, 60563, 119420, 121126, 238840, 242252, 302815, 423941, 484504, 605630, 847882, 1211260, 1695764, 2119705, 2422520, 3391528, 4239410, 8478820, 16957640]

約数ペア:

[(1, 16957640), (2, 8478820), (4, 4239410), (5, 3391528), (7, 2422520), (8, 2119705), (10, 1695764), (14, 1211260), (20, 847882), (28, 605630), (35, 484504), (40, 423941), (56, 302815), (70, 242252), (71, 238840), (140, 121126), (142, 119420), (280, 60563), (284, 59710), (355, 47768), (497, 34120), (568, 29855), (710, 23884), (853, 19880), (994, 17060), (1420, 11942), (1706, 9940), (1988, 8530), (2485, 6824), (2840, 5971), (3412, 4970), (3976, 4265)]