1396360

素因数分解:

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

素因数の和:5005

約数の個数: 32

約数和(自身を含む): 3591360

約数和(自身を除く): 2195000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4987, 9974, 19948, 24935, 34909, 39896, 49870, 69818, 99740, 139636, 174545, 199480, 279272, 349090, 698180, 1396360]

約数ペア:

[(1, 1396360), (2, 698180), (4, 349090), (5, 279272), (7, 199480), (8, 174545), (10, 139636), (14, 99740), (20, 69818), (28, 49870), (35, 39896), (40, 34909), (56, 24935), (70, 19948), (140, 9974), (280, 4987)]