193899640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{440681}}^1$

素因数の和:440703

約数の個数: 32

約数和(自身を含む): 475936560

約数和(自身を除く): 282036920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 440681, 881362, 1762724, 2203405, 3525448, 4406810, 4847491, 8813620, 9694982, 17627240, 19389964, 24237455, 38779928, 48474910, 96949820, 193899640]

約数ペア:

[(1, 193899640), (2, 96949820), (4, 48474910), (5, 38779928), (8, 24237455), (10, 19389964), (11, 17627240), (20, 9694982), (22, 8813620), (40, 4847491), (44, 4406810), (55, 3525448), (88, 2203405), (110, 1762724), (220, 881362), (440, 440681)]