121250305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4001}}^1$

素因数の和:4065

約数の個数: 32

約数和(自身を含む): 172886400

約数和(自身を除く): 51636095

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 551, 1045, 1595, 2755, 4001, 6061, 20005, 30305, 44011, 76019, 116029, 220055, 380095, 580145, 836209, 1276319, 2204551, 4181045, 6381595, 11022755, 24250061, 121250305]

約数ペア:

[(1, 121250305), (5, 24250061), (11, 11022755), (19, 6381595), (29, 4181045), (55, 2204551), (95, 1276319), (145, 836209), (209, 580145), (319, 380095), (551, 220055), (1045, 116029), (1595, 76019), (2755, 44011), (4001, 30305), (6061, 20005)]