68999480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{156817}}^1$

素因数の和:156839

約数の個数: 32

約数和(自身を含む): 169363440

約数和(自身を除く): 100363960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 156817, 313634, 627268, 784085, 1254536, 1568170, 1724987, 3136340, 3449974, 6272680, 6899948, 8624935, 13799896, 17249870, 34499740, 68999480]

約数ペア:

[(1, 68999480), (2, 34499740), (4, 17249870), (5, 13799896), (8, 8624935), (10, 6899948), (11, 6272680), (20, 3449974), (22, 3136340), (40, 1724987), (44, 1568170), (55, 1254536), (88, 784085), (110, 627268), (220, 313634), (440, 156817)]