427530820

素因数分解:

$2^2\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{12421}}^1$

素因数の和:14151

約数の個数: 24

約数和(自身を含む): 898408728

約数和(自身を除く): 470877908

約数列:

[1, 2, 4, 5, 10, 20, 1721, 3442, 6884, 8605, 12421, 17210, 24842, 34420, 49684, 62105, 124210, 248420, 21376541, 42753082, 85506164, 106882705, 213765410, 427530820]

約数ペア:

[(1, 427530820), (2, 213765410), (4, 106882705), (5, 85506164), (10, 42753082), (20, 21376541), (1721, 248420), (3442, 124210), (6884, 62105), (8605, 49684), (12421, 34420), (17210, 24842)]