1390492060

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{500177}}^1$

素因数の和:500325

約数の個数: 24

約数和(自身を含む): 2941046640

約数和(自身を除く): 1550554580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 500177, 1000354, 2000708, 2500885, 5001770, 10003540, 69524603, 139049206, 278098412, 347623015, 695246030, 1390492060]

約数ペア:

[(1, 1390492060), (2, 695246030), (4, 347623015), (5, 278098412), (10, 139049206), (20, 69524603), (139, 10003540), (278, 5001770), (556, 2500885), (695, 2000708), (1390, 1000354), (2780, 500177)]