397202950

素因数分解:

$2^1\times 5^2\times {\mathrm{7944059}}^1$

素因数の和:7944071

約数の個数: 12

約数和(自身を含む): 738797580

約数和(自身を除く): 341594630

約数列:

[1, 2, 5, 10, 25, 50, 7944059, 15888118, 39720295, 79440590, 198601475, 397202950]

約数ペア:

[(1, 397202950), (2, 198601475), (5, 79440590), (10, 39720295), (25, 15888118), (50, 7944059)]