205957540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{278321}}^1$

素因数の和:278367

約数の個数: 24

約数和(自身を含む): 444201912

約数和(自身を除く): 238244372

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 278321, 556642, 1113284, 1391605, 2783210, 5566420, 10297877, 20595754, 41191508, 51489385, 102978770, 205957540]

約数ペア:

[(1, 205957540), (2, 102978770), (4, 51489385), (5, 41191508), (10, 20595754), (20, 10297877), (37, 5566420), (74, 2783210), (148, 1391605), (185, 1113284), (370, 556642), (740, 278321)]