279989740

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{6551}}^1$

素因数の和:8697

約数の個数: 24

約数和(自身を含む): 588343392

約数和(自身を除く): 308353652

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 6551, 8548, 10685, 13102, 21370, 26204, 32755, 42740, 65510, 131020, 13999487, 27998974, 55997948, 69997435, 139994870, 279989740]

約数ペア:

[(1, 279989740), (2, 139994870), (4, 69997435), (5, 55997948), (10, 27998974), (20, 13999487), (2137, 131020), (4274, 65510), (6551, 42740), (8548, 32755), (10685, 26204), (13102, 21370)]