31228820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223063}}^1$

素因数の和:223079

約数の個数: 24

約数和(自身を含む): 74949504

約数和(自身を除く): 43720684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223063, 446126, 892252, 1115315, 1561441, 2230630, 3122882, 4461260, 6245764, 7807205, 15614410, 31228820]

約数ペア:

[(1, 31228820), (2, 15614410), (4, 7807205), (5, 6245764), (7, 4461260), (10, 3122882), (14, 2230630), (20, 1561441), (28, 1115315), (35, 892252), (70, 446126), (140, 223063)]