7906280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 19094400

約数和(自身を除く): 11188120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 103, 152, 190, 202, 206, 380, 404, 412, 505, 515, 760, 808, 824, 1010, 1030, 1919, 1957, 2020, 2060, 3838, 3914, 4040, 4120, 7676, 7828, 9595, 9785, 10403, 15352, 15656, 19190, 19570, 20806, 38380, 39140, 41612, 52015, 76760, 78280, 83224, 104030, 197657, 208060, 395314, 416120, 790628, 988285, 1581256, 1976570, 3953140, 7906280]

約数ペア:

[(1, 7906280), (2, 3953140), (4, 1976570), (5, 1581256), (8, 988285), (10, 790628), (19, 416120), (20, 395314), (38, 208060), (40, 197657), (76, 104030), (95, 83224), (101, 78280), (103, 76760), (152, 52015), (190, 41612), (202, 39140), (206, 38380), (380, 20806), (404, 19570), (412, 19190), (505, 15656), (515, 15352), (760, 10403), (808, 9785), (824, 9595), (1010, 7828), (1030, 7676), (1919, 4120), (1957, 4040), (2020, 3914), (2060, 3838)]