909103640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{6011}}^1$

素因数の和:6240

約数の個数: 64

約数和(自身を含む): 2164320000

約数和(自身を除く): 1255216360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 760, 796, 995, 1592, 1990, 3781, 3980, 6011, 7562, 7960, 12022, 15124, 18905, 24044, 30055, 30248, 37810, 48088, 60110, 75620, 114209, 120220, 151240, 228418, 240440, 456836, 571045, 913672, 1142090, 1196189, 2284180, 2392378, 4568360, 4784756, 5980945, 9569512, 11961890, 22727591, 23923780, 45455182, 47847560, 90910364, 113637955, 181820728, 227275910, 454551820, 909103640]

約数ペア:

[(1, 909103640), (2, 454551820), (4, 227275910), (5, 181820728), (8, 113637955), (10, 90910364), (19, 47847560), (20, 45455182), (38, 23923780), (40, 22727591), (76, 11961890), (95, 9569512), (152, 5980945), (190, 4784756), (199, 4568360), (380, 2392378), (398, 2284180), (760, 1196189), (796, 1142090), (995, 913672), (1592, 571045), (1990, 456836), (3781, 240440), (3980, 228418), (6011, 151240), (7562, 120220), (7960, 114209), (12022, 75620), (15124, 60110), (18905, 48088), (24044, 37810), (30055, 30248)]