1688890540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{4721}}^1$

素因数の和:5338

約数の個数: 48

約数和(自身を含む): 3668200704

約数和(自身を除く): 1979310164

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 577, 620, 1154, 2308, 2885, 4721, 5770, 9442, 11540, 17887, 18884, 23605, 35774, 47210, 71548, 89435, 94420, 146351, 178870, 292702, 357740, 585404, 731755, 1463510, 2724017, 2927020, 5448034, 10896068, 13620085, 27240170, 54480340, 84444527, 168889054, 337778108, 422222635, 844445270, 1688890540]

約数ペア:

[(1, 1688890540), (2, 844445270), (4, 422222635), (5, 337778108), (10, 168889054), (20, 84444527), (31, 54480340), (62, 27240170), (124, 13620085), (155, 10896068), (310, 5448034), (577, 2927020), (620, 2724017), (1154, 1463510), (2308, 731755), (2885, 585404), (4721, 357740), (5770, 292702), (9442, 178870), (11540, 146351), (17887, 94420), (18884, 89435), (23605, 71548), (35774, 47210)]