290418905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16831}}^1$

素因数の和:16889

約数の個数: 32

約数和(自身を含む): 436285440

約数和(自身を除く): 145866535

約数列:

[1, 5, 7, 17, 29, 35, 85, 119, 145, 203, 493, 595, 1015, 2465, 3451, 16831, 17255, 84155, 117817, 286127, 488099, 589085, 1430635, 2002889, 2440495, 3416693, 8297683, 10014445, 17083465, 41488415, 58083781, 290418905]

約数ペア:

[(1, 290418905), (5, 58083781), (7, 41488415), (17, 17083465), (29, 10014445), (35, 8297683), (85, 3416693), (119, 2440495), (145, 2002889), (203, 1430635), (493, 589085), (595, 488099), (1015, 286127), (2465, 117817), (3451, 84155), (16831, 17255)]