680485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 24

約数和(自身を含む): 960120

約数和(自身を除く): 279635

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 361, 377, 551, 1235, 1805, 1885, 2755, 4693, 7163, 10469, 23465, 35815, 52345, 136097, 680485]

約数ペア:

[(1, 680485), (5, 136097), (13, 52345), (19, 35815), (29, 23465), (65, 10469), (95, 7163), (145, 4693), (247, 2755), (361, 1885), (377, 1805), (551, 1235)]