313904080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{560543}}^1$

素因数の和:560563

約数の個数: 40

約数和(自身を含む): 834089472

約数和(自身を除く): 520185392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 560543, 1121086, 2242172, 2802715, 3923801, 4484344, 5605430, 7847602, 8968688, 11210860, 15695204, 19619005, 22421720, 31390408, 39238010, 44843440, 62780816, 78476020, 156952040, 313904080]

約数ペア:

[(1, 313904080), (2, 156952040), (4, 78476020), (5, 62780816), (7, 44843440), (8, 39238010), (10, 31390408), (14, 22421720), (16, 19619005), (20, 15695204), (28, 11210860), (35, 8968688), (40, 7847602), (56, 5605430), (70, 4484344), (80, 3923801), (112, 2802715), (140, 2242172), (280, 1121086), (560, 560543)]