1236980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 2623488

約数和(自身を除く): 1386508

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 487, 508, 635, 974, 1270, 1948, 2435, 2540, 4870, 9740, 61849, 123698, 247396, 309245, 618490, 1236980]

約数ペア:

[(1, 1236980), (2, 618490), (4, 309245), (5, 247396), (10, 123698), (20, 61849), (127, 9740), (254, 4870), (487, 2540), (508, 2435), (635, 1948), (974, 1270)]