279490060

素因数分解:

$2^2\times 5^1\times {\mathrm{2143}}^1\times {\mathrm{6521}}^1$

素因数の和:8673

約数の個数: 24

約数和(自身を含む): 587293056

約数和(自身を除く): 307802996

約数列:

[1, 2, 4, 5, 10, 20, 2143, 4286, 6521, 8572, 10715, 13042, 21430, 26084, 32605, 42860, 65210, 130420, 13974503, 27949006, 55898012, 69872515, 139745030, 279490060]

約数ペア:

[(1, 279490060), (2, 139745030), (4, 69872515), (5, 55898012), (10, 27949006), (20, 13974503), (2143, 130420), (4286, 65210), (6521, 42860), (8572, 32605), (10715, 26084), (13042, 21430)]