2180945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 2964600

約数和(自身を除く): 783655

約数列:

[1, 5, 13, 29, 65, 89, 145, 169, 377, 445, 845, 1157, 1885, 2581, 4901, 5785, 12905, 15041, 24505, 33553, 75205, 167765, 436189, 2180945]

約数ペア:

[(1, 2180945), (5, 436189), (13, 167765), (29, 75205), (65, 33553), (89, 24505), (145, 15041), (169, 12905), (377, 5785), (445, 4901), (845, 2581), (1157, 1885)]