107918740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 231436800

約数和(自身を除く): 123518060

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 167, 316, 334, 395, 409, 668, 790, 818, 835, 1580, 1636, 1670, 2045, 3340, 4090, 8180, 13193, 26386, 32311, 52772, 64622, 65965, 68303, 129244, 131930, 136606, 161555, 263860, 273212, 323110, 341515, 646220, 683030, 1366060, 5395937, 10791874, 21583748, 26979685, 53959370, 107918740]

約数ペア:

[(1, 107918740), (2, 53959370), (4, 26979685), (5, 21583748), (10, 10791874), (20, 5395937), (79, 1366060), (158, 683030), (167, 646220), (316, 341515), (334, 323110), (395, 273212), (409, 263860), (668, 161555), (790, 136606), (818, 131930), (835, 129244), (1580, 68303), (1636, 65965), (1670, 64622), (2045, 52772), (3340, 32311), (4090, 26386), (8180, 13193)]