402906740

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{20747}}^1$

素因数の和:21727

約数の個数: 24

約数和(自身を含む): 847016352

約数和(自身を除く): 444109612

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 9710, 19420, 20747, 41494, 82988, 103735, 207470, 414940, 20145337, 40290674, 80581348, 100726685, 201453370, 402906740]

約数ペア:

[(1, 402906740), (2, 201453370), (4, 100726685), (5, 80581348), (10, 40290674), (20, 20145337), (971, 414940), (1942, 207470), (3884, 103735), (4855, 82988), (9710, 41494), (19420, 20747)]