1770290020

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{199807}}^1$

素因数の和:200259

約数の個数: 24

約数和(自身を含む): 3726019584

約数和(自身を除く): 1955729564

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 199807, 399614, 799228, 999035, 1998070, 3996140, 88514501, 177029002, 354058004, 442572505, 885145010, 1770290020]

約数ペア:

[(1, 1770290020), (2, 885145010), (4, 442572505), (5, 354058004), (10, 177029002), (20, 88514501), (443, 3996140), (886, 1998070), (1772, 999035), (2215, 799228), (4430, 399614), (8860, 199807)]