213580

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 458640

約数和(自身を除く): 245060

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 181, 236, 295, 362, 590, 724, 905, 1180, 1810, 3620, 10679, 21358, 42716, 53395, 106790, 213580]

約数ペア:

[(1, 213580), (2, 106790), (4, 53395), (5, 42716), (10, 21358), (20, 10679), (59, 3620), (118, 1810), (181, 1180), (236, 905), (295, 724), (362, 590)]