199874210

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{48869}}^1$

素因数の和:49285

約数の個数: 16

約数和(自身を含む): 360660600

約数和(自身を除く): 160786390

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 48869, 97738, 244345, 488690, 19987421, 39974842, 99937105, 199874210]

約数ペア:

[(1, 199874210), (2, 99937105), (5, 39974842), (10, 19987421), (409, 488690), (818, 244345), (2045, 97738), (4090, 48869)]