530980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 1128960

約数和(自身を除く): 597980

約数列:

[1, 2, 4, 5, 10, 20, 139, 191, 278, 382, 556, 695, 764, 955, 1390, 1910, 2780, 3820, 26549, 53098, 106196, 132745, 265490, 530980]

約数ペア:

[(1, 530980), (2, 265490), (4, 132745), (5, 106196), (10, 53098), (20, 26549), (139, 3820), (191, 2780), (278, 1910), (382, 1390), (556, 955), (695, 764)]