7637620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 17136000

約数和(自身を除く): 9498380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 199, 202, 380, 398, 404, 505, 796, 995, 1010, 1919, 1990, 2020, 3781, 3838, 3980, 7562, 7676, 9595, 15124, 18905, 19190, 20099, 37810, 38380, 40198, 75620, 80396, 100495, 200990, 381881, 401980, 763762, 1527524, 1909405, 3818810, 7637620]

約数ペア:

[(1, 7637620), (2, 3818810), (4, 1909405), (5, 1527524), (10, 763762), (19, 401980), (20, 381881), (38, 200990), (76, 100495), (95, 80396), (101, 75620), (190, 40198), (199, 38380), (202, 37810), (380, 20099), (398, 19190), (404, 18905), (505, 15124), (796, 9595), (995, 7676), (1010, 7562), (1919, 3980), (1990, 3838), (2020, 3781)]