489740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 1052352

約数和(自身を除く): 562612

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 521, 940, 1042, 2084, 2605, 5210, 10420, 24487, 48974, 97948, 122435, 244870, 489740]

約数ペア:

[(1, 489740), (2, 244870), (4, 122435), (5, 97948), (10, 48974), (20, 24487), (47, 10420), (94, 5210), (188, 2605), (235, 2084), (470, 1042), (521, 940)]