256371020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{442019}}^1$

素因数の和:442057

約数の個数: 24

約数和(自身を含む): 556945200

約数和(自身を除く): 300574180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 442019, 884038, 1768076, 2210095, 4420190, 8840380, 12818551, 25637102, 51274204, 64092755, 128185510, 256371020]

約数ペア:

[(1, 256371020), (2, 128185510), (4, 64092755), (5, 51274204), (10, 25637102), (20, 12818551), (29, 8840380), (58, 4420190), (116, 2210095), (145, 1768076), (290, 884038), (580, 442019)]