203437500

素因数分解:

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

素因数の和:80

約数の個数: 192

約数和(自身を含む): 699998208

約数和(自身を除く): 496560708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 125, 140, 150, 155, 175, 186, 210, 217, 250, 300, 310, 350, 372, 375, 420, 434, 465, 500, 525, 620, 625, 651, 700, 750, 775, 868, 875, 930, 1050, 1085, 1250, 1302, 1500, 1550, 1750, 1860, 1875, 2100, 2170, 2325, 2500, 2604, 2625, 3100, 3125, 3255, 3500, 3750, 3875, 4340, 4375, 4650, 5250, 5425, 6250, 6510, 7500, 7750, 8750, 9300, 9375, 10500, 10850, 11625, 12500, 13020, 13125, 15500, 15625, 16275, 17500, 18750, 19375, 21700, 21875, 23250, 26250, 27125, 31250, 32550, 37500, 38750, 43750, 46500, 46875, 52500, 54250, 58125, 62500, 65100, 65625, 77500, 78125, 81375, 87500, 93750, 96875, 108500, 109375, 116250, 131250, 135625, 156250, 162750, 187500, 193750, 218750, 232500, 234375, 262500, 271250, 290625, 312500, 325500, 328125, 387500, 406875, 437500, 468750, 484375, 542500, 546875, 581250, 656250, 678125, 813750, 937500, 968750, 1093750, 1162500, 1312500, 1356250, 1453125, 1627500, 1640625, 1937500, 2034375, 2187500, 2421875, 2712500, 2906250, 3281250, 3390625, 4068750, 4843750, 5812500, 6562500, 6781250, 7265625, 8137500, 9687500, 10171875, 13562500, 14531250, 16953125, 20343750, 29062500, 33906250, 40687500, 50859375, 67812500, 101718750, 203437500]

約数ペア:

[(1, 203437500), (2, 101718750), (3, 67812500), (4, 50859375), (5, 40687500), (6, 33906250), (7, 29062500), (10, 20343750), (12, 16953125), (14, 14531250), (15, 13562500), (20, 10171875), (21, 9687500), (25, 8137500), (28, 7265625), (30, 6781250), (31, 6562500), (35, 5812500), (42, 4843750), (50, 4068750), (60, 3390625), (62, 3281250), (70, 2906250), (75, 2712500), (84, 2421875), (93, 2187500), (100, 2034375), (105, 1937500), (124, 1640625), (125, 1627500), (140, 1453125), (150, 1356250), (155, 1312500), (175, 1162500), (186, 1093750), (210, 968750), (217, 937500), (250, 813750), (300, 678125), (310, 656250), (350, 581250), (372, 546875), (375, 542500), (420, 484375), (434, 468750), (465, 437500), (500, 406875), (525, 387500), (620, 328125), (625, 325500), (651, 312500), (700, 290625), (750, 271250), (775, 262500), (868, 234375), (875, 232500), (930, 218750), (1050, 193750), (1085, 187500), (1250, 162750), (1302, 156250), (1500, 135625), (1550, 131250), (1750, 116250), (1860, 109375), (1875, 108500), (2100, 96875), (2170, 93750), (2325, 87500), (2500, 81375), (2604, 78125), (2625, 77500), (3100, 65625), (3125, 65100), (3255, 62500), (3500, 58125), (3750, 54250), (3875, 52500), (4340, 46875), (4375, 46500), (4650, 43750), (5250, 38750), (5425, 37500), (6250, 32550), (6510, 31250), (7500, 27125), (7750, 26250), (8750, 23250), (9300, 21875), (9375, 21700), (10500, 19375), (10850, 18750), (11625, 17500), (12500, 16275), (13020, 15625), (13125, 15500)]