9774520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4987}}^1$

素因数の和:5012

約数の個数: 48

約数和(自身を含む): 25588440

約数和(自身を除く): 15813920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4987, 9974, 19948, 24935, 34909, 39896, 49870, 69818, 99740, 139636, 174545, 199480, 244363, 279272, 349090, 488726, 698180, 977452, 1221815, 1396360, 1954904, 2443630, 4887260, 9774520]

約数ペア:

[(1, 9774520), (2, 4887260), (4, 2443630), (5, 1954904), (7, 1396360), (8, 1221815), (10, 977452), (14, 698180), (20, 488726), (28, 349090), (35, 279272), (40, 244363), (49, 199480), (56, 174545), (70, 139636), (98, 99740), (140, 69818), (196, 49870), (245, 39896), (280, 34909), (392, 24935), (490, 19948), (980, 9974), (1960, 4987)]