68701820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{312281}}^1$

素因数の和:312301

約数の個数: 24

約数和(自身を含む): 157390128

約数和(自身を除く): 88688308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 312281, 624562, 1249124, 1561405, 3122810, 3435091, 6245620, 6870182, 13740364, 17175455, 34350910, 68701820]

約数ペア:

[(1, 68701820), (2, 34350910), (4, 17175455), (5, 13740364), (10, 6870182), (11, 6245620), (20, 3435091), (22, 3122810), (44, 1561405), (55, 1249124), (110, 624562), (220, 312281)]