4448980

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 9402120

約数和(自身を除く): 4953140

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1229, 1810, 2458, 3620, 4916, 6145, 12290, 24580, 222449, 444898, 889796, 1112245, 2224490, 4448980]

約数ペア:

[(1, 4448980), (2, 2224490), (4, 1112245), (5, 889796), (10, 444898), (20, 222449), (181, 24580), (362, 12290), (724, 6145), (905, 4916), (1229, 3620), (1810, 2458)]