128219740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1187}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 294585984

約数和(自身を除く): 166366244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 491, 982, 1187, 1964, 2374, 2455, 4748, 4910, 5401, 5935, 9820, 10802, 11870, 13057, 21604, 23740, 26114, 27005, 52228, 54010, 65285, 108020, 130570, 261140, 582817, 1165634, 2331268, 2914085, 5828170, 6410987, 11656340, 12821974, 25643948, 32054935, 64109870, 128219740]

約数ペア:

[(1, 128219740), (2, 64109870), (4, 32054935), (5, 25643948), (10, 12821974), (11, 11656340), (20, 6410987), (22, 5828170), (44, 2914085), (55, 2331268), (110, 1165634), (220, 582817), (491, 261140), (982, 130570), (1187, 108020), (1964, 65285), (2374, 54010), (2455, 52228), (4748, 27005), (4910, 26114), (5401, 23740), (5935, 21604), (9820, 13057), (10802, 11870)]