2802980

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 5919480

約数和(自身を除く): 3116500

約数列:

[1, 2, 4, 5, 10, 20, 269, 521, 538, 1042, 1076, 1345, 2084, 2605, 2690, 5210, 5380, 10420, 140149, 280298, 560596, 700745, 1401490, 2802980]

約数ペア:

[(1, 2802980), (2, 1401490), (4, 700745), (5, 560596), (10, 280298), (20, 140149), (269, 10420), (521, 5380), (538, 5210), (1042, 2690), (1076, 2605), (1345, 2084)]