402425260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{649073}}^1$

素因数の和:649113

約数の個数: 24

約数和(自身を含む): 872355456

約数和(自身を除く): 469930196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 649073, 1298146, 2596292, 3245365, 6490730, 12981460, 20121263, 40242526, 80485052, 100606315, 201212630, 402425260]

約数ペア:

[(1, 402425260), (2, 201212630), (4, 100606315), (5, 80485052), (10, 40242526), (20, 20121263), (31, 12981460), (62, 6490730), (124, 3245365), (155, 2596292), (310, 1298146), (620, 649073)]