282638420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{344681}}^1$

素因数の和:344731

約数の個数: 24

約数和(自身を含む): 608019048

約数和(自身を除く): 325380628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 344681, 689362, 1378724, 1723405, 3446810, 6893620, 14131921, 28263842, 56527684, 70659605, 141319210, 282638420]

約数ペア:

[(1, 282638420), (2, 141319210), (4, 70659605), (5, 56527684), (10, 28263842), (20, 14131921), (41, 6893620), (82, 3446810), (164, 1723405), (205, 1378724), (410, 689362), (820, 344681)]