788604380

素因数分解:

$2^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{20231}}^1$

素因数の和:22189

約数の個数: 24

約数和(自身を含む): 1657000800

約数和(自身を除く): 868396420

約数列:

[1, 2, 4, 5, 10, 20, 1949, 3898, 7796, 9745, 19490, 20231, 38980, 40462, 80924, 101155, 202310, 404620, 39430219, 78860438, 157720876, 197151095, 394302190, 788604380]

約数ペア:

[(1, 788604380), (2, 394302190), (4, 197151095), (5, 157720876), (10, 78860438), (20, 39430219), (1949, 404620), (3898, 202310), (7796, 101155), (9745, 80924), (19490, 40462), (20231, 38980)]