3953140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 8910720

約数和(自身を除く): 4957580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 103, 190, 202, 206, 380, 404, 412, 505, 515, 1010, 1030, 1919, 1957, 2020, 2060, 3838, 3914, 7676, 7828, 9595, 9785, 10403, 19190, 19570, 20806, 38380, 39140, 41612, 52015, 104030, 197657, 208060, 395314, 790628, 988285, 1976570, 3953140]

約数ペア:

[(1, 3953140), (2, 1976570), (4, 988285), (5, 790628), (10, 395314), (19, 208060), (20, 197657), (38, 104030), (76, 52015), (95, 41612), (101, 39140), (103, 38380), (190, 20806), (202, 19570), (206, 19190), (380, 10403), (404, 9785), (412, 9595), (505, 7828), (515, 7676), (1010, 3914), (1030, 3838), (1919, 2060), (1957, 2020)]