639710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 32

約数和(自身を含む): 1259712

約数和(自身を除く): 620002

約数列:

[1, 2, 5, 10, 17, 34, 53, 71, 85, 106, 142, 170, 265, 355, 530, 710, 901, 1207, 1802, 2414, 3763, 4505, 6035, 7526, 9010, 12070, 18815, 37630, 63971, 127942, 319855, 639710]

約数ペア:

[(1, 639710), (2, 319855), (5, 127942), (10, 63971), (17, 37630), (34, 18815), (53, 12070), (71, 9010), (85, 7526), (106, 6035), (142, 4505), (170, 3763), (265, 2414), (355, 1802), (530, 1207), (710, 901)]