31191100

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2381}}^1$

素因数の和:2526

約数の個数: 36

約数和(自身を含む): 68230008

約数和(自身を除く): 37038908

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2381, 2620, 3275, 4762, 6550, 9524, 11905, 13100, 23810, 47620, 59525, 119050, 238100, 311911, 623822, 1247644, 1559555, 3119110, 6238220, 7797775, 15595550, 31191100]

約数ペア:

[(1, 31191100), (2, 15595550), (4, 7797775), (5, 6238220), (10, 3119110), (20, 1559555), (25, 1247644), (50, 623822), (100, 311911), (131, 238100), (262, 119050), (524, 59525), (655, 47620), (1310, 23810), (2381, 13100), (2620, 11905), (3275, 9524), (4762, 6550)]