1448380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 3069360

約数和(自身を除く): 1620980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 521, 556, 695, 1042, 1390, 2084, 2605, 2780, 5210, 10420, 72419, 144838, 289676, 362095, 724190, 1448380]

約数ペア:

[(1, 1448380), (2, 724190), (4, 362095), (5, 289676), (10, 144838), (20, 72419), (139, 10420), (278, 5210), (521, 2780), (556, 2605), (695, 2084), (1042, 1390)]