881058820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{2377}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 1898443008

約数和(自身を除く): 1017384188

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 431, 860, 862, 1724, 2155, 2377, 4310, 4754, 8620, 9508, 11885, 18533, 23770, 37066, 47540, 74132, 92665, 102211, 185330, 204422, 370660, 408844, 511055, 1022110, 1024487, 2044220, 2048974, 4097948, 5122435, 10244870, 20489740, 44052941, 88105882, 176211764, 220264705, 440529410, 881058820]

約数ペア:

[(1, 881058820), (2, 440529410), (4, 220264705), (5, 176211764), (10, 88105882), (20, 44052941), (43, 20489740), (86, 10244870), (172, 5122435), (215, 4097948), (430, 2048974), (431, 2044220), (860, 1024487), (862, 1022110), (1724, 511055), (2155, 408844), (2377, 370660), (4310, 204422), (4754, 185330), (8620, 102211), (9508, 92665), (11885, 74132), (18533, 47540), (23770, 37066)]