263438000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:668

約数の個数: 160

約数和(自身を含む): 752713728

約数和(自身を除く): 489275728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 125, 140, 155, 175, 200, 217, 248, 250, 280, 310, 350, 400, 434, 496, 500, 560, 607, 620, 700, 775, 868, 875, 1000, 1085, 1214, 1240, 1400, 1550, 1736, 1750, 2000, 2170, 2428, 2480, 2800, 3035, 3100, 3472, 3500, 3875, 4249, 4340, 4856, 5425, 6070, 6200, 7000, 7750, 8498, 8680, 9712, 10850, 12140, 12400, 14000, 15175, 15500, 16996, 17360, 18817, 21245, 21700, 24280, 27125, 30350, 31000, 33992, 37634, 42490, 43400, 48560, 54250, 60700, 62000, 67984, 75268, 75875, 84980, 86800, 94085, 106225, 108500, 121400, 131719, 150536, 151750, 169960, 188170, 212450, 217000, 242800, 263438, 301072, 303500, 339920, 376340, 424900, 434000, 470425, 526876, 531125, 607000, 658595, 752680, 849800, 940850, 1053752, 1062250, 1214000, 1317190, 1505360, 1699600, 1881700, 2107504, 2124500, 2352125, 2634380, 3292975, 3763400, 4249000, 4704250, 5268760, 6585950, 7526800, 8498000, 9408500, 10537520, 13171900, 16464875, 18817000, 26343800, 32929750, 37634000, 52687600, 65859500, 131719000, 263438000]

約数ペア:

[(1, 263438000), (2, 131719000), (4, 65859500), (5, 52687600), (7, 37634000), (8, 32929750), (10, 26343800), (14, 18817000), (16, 16464875), (20, 13171900), (25, 10537520), (28, 9408500), (31, 8498000), (35, 7526800), (40, 6585950), (50, 5268760), (56, 4704250), (62, 4249000), (70, 3763400), (80, 3292975), (100, 2634380), (112, 2352125), (124, 2124500), (125, 2107504), (140, 1881700), (155, 1699600), (175, 1505360), (200, 1317190), (217, 1214000), (248, 1062250), (250, 1053752), (280, 940850), (310, 849800), (350, 752680), (400, 658595), (434, 607000), (496, 531125), (500, 526876), (560, 470425), (607, 434000), (620, 424900), (700, 376340), (775, 339920), (868, 303500), (875, 301072), (1000, 263438), (1085, 242800), (1214, 217000), (1240, 212450), (1400, 188170), (1550, 169960), (1736, 151750), (1750, 150536), (2000, 131719), (2170, 121400), (2428, 108500), (2480, 106225), (2800, 94085), (3035, 86800), (3100, 84980), (3472, 75875), (3500, 75268), (3875, 67984), (4249, 62000), (4340, 60700), (4856, 54250), (5425, 48560), (6070, 43400), (6200, 42490), (7000, 37634), (7750, 33992), (8498, 31000), (8680, 30350), (9712, 27125), (10850, 24280), (12140, 21700), (12400, 21245), (14000, 18817), (15175, 17360), (15500, 16996)]