215304620

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{13999}}^1$

素因数の和:14777

約数の個数: 24

約数和(自身を含む): 452760000

約数和(自身を除く): 237455380

約数列:

[1, 2, 4, 5, 10, 20, 769, 1538, 3076, 3845, 7690, 13999, 15380, 27998, 55996, 69995, 139990, 279980, 10765231, 21530462, 43060924, 53826155, 107652310, 215304620]

約数ペア:

[(1, 215304620), (2, 107652310), (4, 53826155), (5, 43060924), (10, 21530462), (20, 10765231), (769, 279980), (1538, 139990), (3076, 69995), (3845, 55996), (7690, 27998), (13999, 15380)]