69880910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{2531}}^1$

素因数の和:2800

約数の個数: 32

約数和(自身を含む): 137821824

約数和(自身を除く): 67940914

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 251, 502, 1255, 2510, 2531, 2761, 5062, 5522, 12655, 13805, 25310, 27610, 27841, 55682, 139205, 278410, 635281, 1270562, 3176405, 6352810, 6988091, 13976182, 34940455, 69880910]

約数ペア:

[(1, 69880910), (2, 34940455), (5, 13976182), (10, 6988091), (11, 6352810), (22, 3176405), (55, 1270562), (110, 635281), (251, 278410), (502, 139205), (1255, 55682), (2510, 27841), (2531, 27610), (2761, 25310), (5062, 13805), (5522, 12655)]