307352420

素因数分解:

$2^2\times 5^1\times {\mathrm{15367621}}^1$

素因数の和:15367630

約数の個数: 12

約数和(自身を含む): 645440124

約数和(自身を除く): 338087704

約数列:

[1, 2, 4, 5, 10, 20, 15367621, 30735242, 61470484, 76838105, 153676210, 307352420]

約数ペア:

[(1, 307352420), (2, 153676210), (4, 76838105), (5, 61470484), (10, 30735242), (20, 15367621)]