135819640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{308681}}^1$

素因数の和:308703

約数の個数: 32

約数和(自身を含む): 333376560

約数和(自身を除く): 197556920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 308681, 617362, 1234724, 1543405, 2469448, 3086810, 3395491, 6173620, 6790982, 12347240, 13581964, 16977455, 27163928, 33954910, 67909820, 135819640]

約数ペア:

[(1, 135819640), (2, 67909820), (4, 33954910), (5, 27163928), (8, 16977455), (10, 13581964), (11, 12347240), (20, 6790982), (22, 6173620), (40, 3395491), (44, 3086810), (55, 2469448), (88, 1543405), (110, 1234724), (220, 617362), (440, 308681)]