1888366000

素因数分解:

$2^4\times 5^3\times {\mathrm{47}}^1\times {\mathrm{20089}}^1$

素因数の和:20159

約数の個数: 80

約数和(自身を含む): 4663451520

約数和(自身を除く): 2775085520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 125, 188, 200, 235, 250, 376, 400, 470, 500, 752, 940, 1000, 1175, 1880, 2000, 2350, 3760, 4700, 5875, 9400, 11750, 18800, 20089, 23500, 40178, 47000, 80356, 94000, 100445, 160712, 200890, 321424, 401780, 502225, 803560, 944183, 1004450, 1607120, 1888366, 2008900, 2511125, 3776732, 4017800, 4720915, 5022250, 7553464, 8035600, 9441830, 10044500, 15106928, 18883660, 20089000, 23604575, 37767320, 40178000, 47209150, 75534640, 94418300, 118022875, 188836600, 236045750, 377673200, 472091500, 944183000, 1888366000]

約数ペア:

[(1, 1888366000), (2, 944183000), (4, 472091500), (5, 377673200), (8, 236045750), (10, 188836600), (16, 118022875), (20, 94418300), (25, 75534640), (40, 47209150), (47, 40178000), (50, 37767320), (80, 23604575), (94, 20089000), (100, 18883660), (125, 15106928), (188, 10044500), (200, 9441830), (235, 8035600), (250, 7553464), (376, 5022250), (400, 4720915), (470, 4017800), (500, 3776732), (752, 2511125), (940, 2008900), (1000, 1888366), (1175, 1607120), (1880, 1004450), (2000, 944183), (2350, 803560), (3760, 502225), (4700, 401780), (5875, 321424), (9400, 200890), (11750, 160712), (18800, 100445), (20089, 94000), (23500, 80356), (40178, 47000)]