139339640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{316681}}^1$

素因数の和:316703

約数の個数: 32

約数和(自身を含む): 342016560

約数和(自身を除く): 202676920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 316681, 633362, 1266724, 1583405, 2533448, 3166810, 3483491, 6333620, 6966982, 12667240, 13933964, 17417455, 27867928, 34834910, 69669820, 139339640]

約数ペア:

[(1, 139339640), (2, 69669820), (4, 34834910), (5, 27867928), (8, 17417455), (10, 13933964), (11, 12667240), (20, 6966982), (22, 6333620), (40, 3483491), (44, 3166810), (55, 2533448), (88, 1583405), (110, 1266724), (220, 633362), (440, 316681)]