70991480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3660

約数の個数: 64

約数和(自身を含む): 185172480

約数和(自身を除く): 114181000

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, 994, 1420, 1988, 2485, 2840, 3571, 3976, 4970, 7142, 9940, 14284, 17855, 19880, 24997, 28568, 35710, 49994, 71420, 99988, 124985, 142840, 199976, 249970, 253541, 499940, 507082, 999880, 1014164, 1267705, 1774787, 2028328, 2535410, 3549574, 5070820, 7099148, 8873935, 10141640, 14198296, 17747870, 35495740, 70991480]

約数ペア:

[(1, 70991480), (2, 35495740), (4, 17747870), (5, 14198296), (7, 10141640), (8, 8873935), (10, 7099148), (14, 5070820), (20, 3549574), (28, 2535410), (35, 2028328), (40, 1774787), (56, 1267705), (70, 1014164), (71, 999880), (140, 507082), (142, 499940), (280, 253541), (284, 249970), (355, 199976), (497, 142840), (568, 124985), (710, 99988), (994, 71420), (1420, 49994), (1988, 35710), (2485, 28568), (2840, 24997), (3571, 19880), (3976, 17855), (4970, 14284), (7142, 9940)]