427572020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{240209}}^1$

素因数の和:240307

約数の個数: 24

約数和(自身を含む): 907993800

約数和(自身を除く): 480421780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 240209, 480418, 960836, 1201045, 2402090, 4804180, 21378601, 42757202, 85514404, 106893005, 213786010, 427572020]

約数ペア:

[(1, 427572020), (2, 213786010), (4, 106893005), (5, 85514404), (10, 42757202), (20, 21378601), (89, 4804180), (178, 2402090), (356, 1201045), (445, 960836), (890, 480418), (1780, 240209)]