1246403740

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{242491}}^1$

素因数の和:242757

約数の個数: 24

約数和(自身を含む): 2627643312

約数和(自身を除く): 1381239572

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 242491, 484982, 969964, 1212455, 2424910, 4849820, 62320187, 124640374, 249280748, 311600935, 623201870, 1246403740]

約数ペア:

[(1, 1246403740), (2, 623201870), (4, 311600935), (5, 249280748), (10, 124640374), (20, 62320187), (257, 4849820), (514, 2424910), (1028, 1212455), (1285, 969964), (2570, 484982), (5140, 242491)]