290954505890

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{71138021}}^1$

素因数の和:71138437

約数の個数: 16

約数和(自身を含む): 524998602360

約数和(自身を除く): 234044096470

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 71138021, 142276042, 355690105, 711380210, 29095450589, 58190901178, 145477252945, 290954505890]

約数ペア:

[(1, 290954505890), (2, 145477252945), (5, 58190901178), (10, 29095450589), (409, 711380210), (818, 355690105), (2045, 142276042), (4090, 71138021)]