4345140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 12277440

約数和(自身を除く): 7932300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 521, 556, 695, 834, 1042, 1390, 1563, 1668, 2084, 2085, 2605, 2780, 3126, 4170, 5210, 6252, 7815, 8340, 10420, 15630, 31260, 72419, 144838, 217257, 289676, 362095, 434514, 724190, 869028, 1086285, 1448380, 2172570, 4345140]

約数ペア:

[(1, 4345140), (2, 2172570), (3, 1448380), (4, 1086285), (5, 869028), (6, 724190), (10, 434514), (12, 362095), (15, 289676), (20, 217257), (30, 144838), (60, 72419), (139, 31260), (278, 15630), (417, 10420), (521, 8340), (556, 7815), (695, 6252), (834, 5210), (1042, 4170), (1390, 3126), (1563, 2780), (1668, 2605), (2084, 2085)]