2240780

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 4739280

約数和(自身を除く): 2498500

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 619, 724, 905, 1238, 1810, 2476, 3095, 3620, 6190, 12380, 112039, 224078, 448156, 560195, 1120390, 2240780]

約数ペア:

[(1, 2240780), (2, 1120390), (4, 560195), (5, 448156), (10, 224078), (20, 112039), (181, 12380), (362, 6190), (619, 3620), (724, 3095), (905, 2476), (1238, 1810)]