3921980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10321}}^1$

素因数の和:10349

約数の個数: 24

約数和(自身を含む): 8670480

約数和(自身を除く): 4748500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10321, 20642, 41284, 51605, 103210, 196099, 206420, 392198, 784396, 980495, 1960990, 3921980]

約数ペア:

[(1, 3921980), (2, 1960990), (4, 980495), (5, 784396), (10, 392198), (19, 206420), (20, 196099), (38, 103210), (76, 51605), (95, 41284), (190, 20642), (380, 10321)]