801620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 1701000

約数和(自身を除く): 899380

約数列:

[1, 2, 4, 5, 10, 20, 149, 269, 298, 538, 596, 745, 1076, 1345, 1490, 2690, 2980, 5380, 40081, 80162, 160324, 200405, 400810, 801620]

約数ペア:

[(1, 801620), (2, 400810), (4, 200405), (5, 160324), (10, 80162), (20, 40081), (149, 5380), (269, 2980), (298, 2690), (538, 1490), (596, 1345), (745, 1076)]