225625820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1611613}}^1$

素因数の和:1611629

約数の個数: 24

約数和(自身を含む): 541502304

約数和(自身を除く): 315876484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1611613, 3223226, 6446452, 8058065, 11281291, 16116130, 22562582, 32232260, 45125164, 56406455, 112812910, 225625820]

約数ペア:

[(1, 225625820), (2, 112812910), (4, 56406455), (5, 45125164), (7, 32232260), (10, 22562582), (14, 16116130), (20, 11281291), (28, 8058065), (35, 6446452), (70, 3223226), (140, 1611613)]