2130890

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:937

約数の個数: 16

約数和(自身を含む): 3852360

約数和(自身を除く): 1721470

約数列:

[1, 2, 5, 10, 409, 521, 818, 1042, 2045, 2605, 4090, 5210, 213089, 426178, 1065445, 2130890]

約数ペア:

[(1, 2130890), (2, 1065445), (5, 426178), (10, 213089), (409, 5210), (521, 4090), (818, 2605), (1042, 2045)]