321308980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{553981}}^1$

素因数の和:554019

約数の個数: 24

約数和(自身を含む): 698017320

約数和(自身を除く): 376708340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 553981, 1107962, 2215924, 2769905, 5539810, 11079620, 16065449, 32130898, 64261796, 80327245, 160654490, 321308980]

約数ペア:

[(1, 321308980), (2, 160654490), (4, 80327245), (5, 64261796), (10, 32130898), (20, 16065449), (29, 11079620), (58, 5539810), (116, 2769905), (145, 2215924), (290, 1107962), (580, 553981)]