207816280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{742201}}^1$

素因数の和:742219

約数の個数: 32

約数和(自身を含む): 534385440

約数和(自身を除く): 326569160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 742201, 1484402, 2968804, 3711005, 5195407, 5937608, 7422010, 10390814, 14844020, 20781628, 25977035, 29688040, 41563256, 51954070, 103908140, 207816280]

約数ペア:

[(1, 207816280), (2, 103908140), (4, 51954070), (5, 41563256), (7, 29688040), (8, 25977035), (10, 20781628), (14, 14844020), (20, 10390814), (28, 7422010), (35, 5937608), (40, 5195407), (56, 3711005), (70, 2968804), (140, 1484402), (280, 742201)]