139291240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{316571}}^1$

素因数の和:316593

約数の個数: 32

約数和(自身を含む): 341897760

約数和(自身を除く): 202606520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 316571, 633142, 1266284, 1582855, 2532568, 3165710, 3482281, 6331420, 6964562, 12662840, 13929124, 17411405, 27858248, 34822810, 69645620, 139291240]

約数ペア:

[(1, 139291240), (2, 69645620), (4, 34822810), (5, 27858248), (8, 17411405), (10, 13929124), (11, 12662840), (20, 6964562), (22, 6331420), (40, 3482281), (44, 3165710), (55, 2532568), (88, 1582855), (110, 1266284), (220, 633142), (440, 316571)]