1398980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6359}}^1$

素因数の和:6379

約数の個数: 24

約数和(自身を含む): 3205440

約数和(自身を除く): 1806460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6359, 12718, 25436, 31795, 63590, 69949, 127180, 139898, 279796, 349745, 699490, 1398980]

約数ペア:

[(1, 1398980), (2, 699490), (4, 349745), (5, 279796), (10, 139898), (11, 127180), (20, 69949), (22, 63590), (44, 31795), (55, 25436), (110, 12718), (220, 6359)]