797780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 1694952

約数和(自身を除く): 897172

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 353, 452, 565, 706, 1130, 1412, 1765, 2260, 3530, 7060, 39889, 79778, 159556, 199445, 398890, 797780]

約数ペア:

[(1, 797780), (2, 398890), (4, 199445), (5, 159556), (10, 79778), (20, 39889), (113, 7060), (226, 3530), (353, 2260), (452, 1765), (565, 1412), (706, 1130)]