402000430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{2399}}^1$

素因数の和:3708

約数の個数: 32

約数和(自身を含む): 780192000

約数和(自身を除く): 378191570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1289, 2399, 2578, 4798, 6445, 11995, 12890, 16757, 23990, 31187, 33514, 62374, 83785, 155935, 167570, 311870, 3092311, 6184622, 15461555, 30923110, 40200043, 80400086, 201000215, 402000430]

約数ペア:

[(1, 402000430), (2, 201000215), (5, 80400086), (10, 40200043), (13, 30923110), (26, 15461555), (65, 6184622), (130, 3092311), (1289, 311870), (2399, 167570), (2578, 155935), (4798, 83785), (6445, 62374), (11995, 33514), (12890, 31187), (16757, 23990)]