619060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2403

約数の個数: 24

約数和(自身を含む): 1400616

約数和(自身を除く): 781556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2381, 4762, 9524, 11905, 23810, 30953, 47620, 61906, 123812, 154765, 309530, 619060]

約数ペア:

[(1, 619060), (2, 309530), (4, 154765), (5, 123812), (10, 61906), (13, 47620), (20, 30953), (26, 23810), (52, 11905), (65, 9524), (130, 4762), (260, 2381)]