201902980

素因数分解:

$2^2\times 5^1\times {\mathrm{10095149}}^1$

素因数の和:10095158

約数の個数: 12

約数和(自身を含む): 423996300

約数和(自身を除く): 222093320

約数列:

[1, 2, 4, 5, 10, 20, 10095149, 20190298, 40380596, 50475745, 100951490, 201902980]

約数ペア:

[(1, 201902980), (2, 100951490), (4, 50475745), (5, 40380596), (10, 20190298), (20, 10095149)]