129598280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{462851}}^1$

素因数の和:462869

約数の個数: 32

約数和(自身を含む): 333253440

約数和(自身を除く): 203655160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 462851, 925702, 1851404, 2314255, 3239957, 3702808, 4628510, 6479914, 9257020, 12959828, 16199785, 18514040, 25919656, 32399570, 64799140, 129598280]

約数ペア:

[(1, 129598280), (2, 64799140), (4, 32399570), (5, 25919656), (7, 18514040), (8, 16199785), (10, 12959828), (14, 9257020), (20, 6479914), (28, 4628510), (35, 3702808), (40, 3239957), (56, 2314255), (70, 1851404), (140, 925702), (280, 462851)]