101718750

素因数分解:

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

素因数の和:78

約数の個数: 128

約数和(自身を含む): 299999232

約数和(自身を除く): 198280482

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 50, 62, 70, 75, 93, 105, 125, 150, 155, 175, 186, 210, 217, 250, 310, 350, 375, 434, 465, 525, 625, 651, 750, 775, 875, 930, 1050, 1085, 1250, 1302, 1550, 1750, 1875, 2170, 2325, 2625, 3125, 3255, 3750, 3875, 4375, 4650, 5250, 5425, 6250, 6510, 7750, 8750, 9375, 10850, 11625, 13125, 15625, 16275, 18750, 19375, 21875, 23250, 26250, 27125, 31250, 32550, 38750, 43750, 46875, 54250, 58125, 65625, 78125, 81375, 93750, 96875, 109375, 116250, 131250, 135625, 156250, 162750, 193750, 218750, 234375, 271250, 290625, 328125, 406875, 468750, 484375, 546875, 581250, 656250, 678125, 813750, 968750, 1093750, 1356250, 1453125, 1640625, 2034375, 2421875, 2906250, 3281250, 3390625, 4068750, 4843750, 6781250, 7265625, 10171875, 14531250, 16953125, 20343750, 33906250, 50859375, 101718750]

約数ペア:

[(1, 101718750), (2, 50859375), (3, 33906250), (5, 20343750), (6, 16953125), (7, 14531250), (10, 10171875), (14, 7265625), (15, 6781250), (21, 4843750), (25, 4068750), (30, 3390625), (31, 3281250), (35, 2906250), (42, 2421875), (50, 2034375), (62, 1640625), (70, 1453125), (75, 1356250), (93, 1093750), (105, 968750), (125, 813750), (150, 678125), (155, 656250), (175, 581250), (186, 546875), (210, 484375), (217, 468750), (250, 406875), (310, 328125), (350, 290625), (375, 271250), (434, 234375), (465, 218750), (525, 193750), (625, 162750), (651, 156250), (750, 135625), (775, 131250), (875, 116250), (930, 109375), (1050, 96875), (1085, 93750), (1250, 81375), (1302, 78125), (1550, 65625), (1750, 58125), (1875, 54250), (2170, 46875), (2325, 43750), (2625, 38750), (3125, 32550), (3255, 31250), (3750, 27125), (3875, 26250), (4375, 23250), (4650, 21875), (5250, 19375), (5425, 18750), (6250, 16275), (6510, 15625), (7750, 13125), (8750, 11625), (9375, 10850)]