201997450

素因数分解:

$2^1\times 5^2\times {\mathrm{4039949}}^1$

素因数の和:4039961

約数の個数: 12

約数和(自身を含む): 375715350

約数和(自身を除く): 173717900

約数列:

[1, 2, 5, 10, 25, 50, 4039949, 8079898, 20199745, 40399490, 100998725, 201997450]

約数ペア:

[(1, 201997450), (2, 100998725), (5, 40399490), (10, 20199745), (25, 8079898), (50, 4039949)]