852508750

素因数分解:

$2^1\times 5^4\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:287

約数の個数: 80

約数和(自身を含む): 1653220800

約数和(自身を除く): 800712050

約数列:

[1, 2, 5, 10, 25, 50, 79, 89, 97, 125, 158, 178, 194, 250, 395, 445, 485, 625, 790, 890, 970, 1250, 1975, 2225, 2425, 3950, 4450, 4850, 7031, 7663, 8633, 9875, 11125, 12125, 14062, 15326, 17266, 19750, 22250, 24250, 35155, 38315, 43165, 49375, 55625, 60625, 70310, 76630, 86330, 98750, 111250, 121250, 175775, 191575, 215825, 351550, 383150, 431650, 682007, 878875, 957875, 1079125, 1364014, 1757750, 1915750, 2158250, 3410035, 4394375, 4789375, 5395625, 6820070, 8788750, 9578750, 10791250, 17050175, 34100350, 85250875, 170501750, 426254375, 852508750]

約数ペア:

[(1, 852508750), (2, 426254375), (5, 170501750), (10, 85250875), (25, 34100350), (50, 17050175), (79, 10791250), (89, 9578750), (97, 8788750), (125, 6820070), (158, 5395625), (178, 4789375), (194, 4394375), (250, 3410035), (395, 2158250), (445, 1915750), (485, 1757750), (625, 1364014), (790, 1079125), (890, 957875), (970, 878875), (1250, 682007), (1975, 431650), (2225, 383150), (2425, 351550), (3950, 215825), (4450, 191575), (4850, 175775), (7031, 121250), (7663, 111250), (8633, 98750), (9875, 86330), (11125, 76630), (12125, 70310), (14062, 60625), (15326, 55625), (17266, 49375), (19750, 43165), (22250, 38315), (24250, 35155)]