149193740

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{5647}}^1$

素因数の和:6977

約数の個数: 24

約数和(自身を含む): 313599552

約数和(自身を除く): 164405812

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 5284, 5647, 6605, 11294, 13210, 22588, 26420, 28235, 56470, 112940, 7459687, 14919374, 29838748, 37298435, 74596870, 149193740]

約数ペア:

[(1, 149193740), (2, 74596870), (4, 37298435), (5, 29838748), (10, 14919374), (20, 7459687), (1321, 112940), (2642, 56470), (5284, 28235), (5647, 26420), (6605, 22588), (11294, 13210)]