388430060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{669707}}^1$

素因数の和:669745

約数の個数: 24

約数和(自身を含む): 843832080

約数和(自身を除く): 455402020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 669707, 1339414, 2678828, 3348535, 6697070, 13394140, 19421503, 38843006, 77686012, 97107515, 194215030, 388430060]

約数ペア:

[(1, 388430060), (2, 194215030), (4, 97107515), (5, 77686012), (10, 38843006), (20, 19421503), (29, 13394140), (58, 6697070), (116, 3348535), (145, 2678828), (290, 1339414), (580, 669707)]