68411860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2087}}^1$

素因数の和:2256

約数の個数: 48

約数和(自身を含む): 157852800

約数和(自身を除く): 89440940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2087, 2980, 3278, 4174, 6556, 8195, 8348, 10435, 16390, 20870, 22957, 32780, 41740, 45914, 91828, 114785, 229570, 310963, 459140, 621926, 1243852, 1554815, 3109630, 3420593, 6219260, 6841186, 13682372, 17102965, 34205930, 68411860]

約数ペア:

[(1, 68411860), (2, 34205930), (4, 17102965), (5, 13682372), (10, 6841186), (11, 6219260), (20, 3420593), (22, 3109630), (44, 1554815), (55, 1243852), (110, 621926), (149, 459140), (220, 310963), (298, 229570), (596, 114785), (745, 91828), (1490, 45914), (1639, 41740), (2087, 32780), (2980, 22957), (3278, 20870), (4174, 16390), (6556, 10435), (8195, 8348)]