289076180

素因数分解:

$2^2\times 5^1\times {\mathrm{3169}}^1\times {\mathrm{4561}}^1$

素因数の和:7739

約数の個数: 24

約数和(自身を含む): 607384680

約数和(自身を除く): 318308500

約数列:

[1, 2, 4, 5, 10, 20, 3169, 4561, 6338, 9122, 12676, 15845, 18244, 22805, 31690, 45610, 63380, 91220, 14453809, 28907618, 57815236, 72269045, 144538090, 289076180]

約数ペア:

[(1, 289076180), (2, 144538090), (4, 72269045), (5, 57815236), (10, 28907618), (20, 14453809), (3169, 91220), (4561, 63380), (6338, 45610), (9122, 31690), (12676, 22805), (15845, 18244)]