1205940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 3427200

約数和(自身を除く): 2221260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 199, 202, 303, 398, 404, 505, 597, 606, 796, 995, 1010, 1194, 1212, 1515, 1990, 2020, 2388, 2985, 3030, 3980, 5970, 6060, 11940, 20099, 40198, 60297, 80396, 100495, 120594, 200990, 241188, 301485, 401980, 602970, 1205940]

約数ペア:

[(1, 1205940), (2, 602970), (3, 401980), (4, 301485), (5, 241188), (6, 200990), (10, 120594), (12, 100495), (15, 80396), (20, 60297), (30, 40198), (60, 20099), (101, 11940), (199, 6060), (202, 5970), (303, 3980), (398, 3030), (404, 2985), (505, 2388), (597, 2020), (606, 1990), (796, 1515), (995, 1212), (1010, 1194)]