312648280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1116601}}^1$

素因数の和:1116619

約数の個数: 32

約数和(自身を含む): 803953440

約数和(自身を除く): 491305160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1116601, 2233202, 4466404, 5583005, 7816207, 8932808, 11166010, 15632414, 22332020, 31264828, 39081035, 44664040, 62529656, 78162070, 156324140, 312648280]

約数ペア:

[(1, 312648280), (2, 156324140), (4, 78162070), (5, 62529656), (7, 44664040), (8, 39081035), (10, 31264828), (14, 22332020), (20, 15632414), (28, 11166010), (35, 8932808), (40, 7816207), (56, 5583005), (70, 4466404), (140, 2233202), (280, 1116601)]