200917778920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{537041}}^1$

素因数の和:537298

約数の個数: 64

約数和(自身を含む): 464004288000

約数和(自身を除く): 263086509080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 199, 235, 376, 398, 470, 796, 940, 995, 1592, 1880, 1990, 3980, 7960, 9353, 18706, 37412, 46765, 74824, 93530, 187060, 374120, 537041, 1074082, 2148164, 2685205, 4296328, 5370410, 10740820, 21481640, 25240927, 50481854, 100963708, 106871159, 126204635, 201927416, 213742318, 252409270, 427484636, 504818540, 534355795, 854969272, 1009637080, 1068711590, 2137423180, 4274846360, 5022944473, 10045888946, 20091777892, 25114722365, 40183555784, 50229444730, 100458889460, 200917778920]

約数ペア:

[(1, 200917778920), (2, 100458889460), (4, 50229444730), (5, 40183555784), (8, 25114722365), (10, 20091777892), (20, 10045888946), (40, 5022944473), (47, 4274846360), (94, 2137423180), (188, 1068711590), (199, 1009637080), (235, 854969272), (376, 534355795), (398, 504818540), (470, 427484636), (796, 252409270), (940, 213742318), (995, 201927416), (1592, 126204635), (1880, 106871159), (1990, 100963708), (3980, 50481854), (7960, 25240927), (9353, 21481640), (18706, 10740820), (37412, 5370410), (46765, 4296328), (74824, 2685205), (93530, 2148164), (187060, 1074082), (374120, 537041)]