2018297500

素因数分解:

$2^2\times 5^4\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 4581783360

約数和(自身を除く): 2563485860

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 89, 94, 100, 125, 178, 188, 193, 235, 250, 356, 386, 445, 470, 500, 625, 772, 890, 940, 965, 1175, 1250, 1780, 1930, 2225, 2350, 2500, 3860, 4183, 4450, 4700, 4825, 5875, 8366, 8900, 9071, 9650, 11125, 11750, 16732, 17177, 18142, 19300, 20915, 22250, 23500, 24125, 29375, 34354, 36284, 41830, 44500, 45355, 48250, 55625, 58750, 68708, 83660, 85885, 90710, 96500, 104575, 111250, 117500, 120625, 171770, 181420, 209150, 222500, 226775, 241250, 343540, 418300, 429425, 453550, 482500, 522875, 807319, 858850, 907100, 1045750, 1133875, 1614638, 1717700, 2091500, 2147125, 2267750, 2614375, 3229276, 4036595, 4294250, 4535500, 5228750, 5669375, 8073190, 8588500, 10457500, 10735625, 11338750, 16146380, 20182975, 21471250, 22677500, 40365950, 42942500, 80731900, 100914875, 201829750, 403659500, 504574375, 1009148750, 2018297500]

約数ペア:

[(1, 2018297500), (2, 1009148750), (4, 504574375), (5, 403659500), (10, 201829750), (20, 100914875), (25, 80731900), (47, 42942500), (50, 40365950), (89, 22677500), (94, 21471250), (100, 20182975), (125, 16146380), (178, 11338750), (188, 10735625), (193, 10457500), (235, 8588500), (250, 8073190), (356, 5669375), (386, 5228750), (445, 4535500), (470, 4294250), (500, 4036595), (625, 3229276), (772, 2614375), (890, 2267750), (940, 2147125), (965, 2091500), (1175, 1717700), (1250, 1614638), (1780, 1133875), (1930, 1045750), (2225, 907100), (2350, 858850), (2500, 807319), (3860, 522875), (4183, 482500), (4450, 453550), (4700, 429425), (4825, 418300), (5875, 343540), (8366, 241250), (8900, 226775), (9071, 222500), (9650, 209150), (11125, 181420), (11750, 171770), (16732, 120625), (17177, 117500), (18142, 111250), (19300, 104575), (20915, 96500), (22250, 90710), (23500, 85885), (24125, 83660), (29375, 68708), (34354, 58750), (36284, 55625), (41830, 48250), (44500, 45355)]