84475000

素因数分解:

$2^3\times 5^5\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 206236800

約数和(自身を除く): 121761800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 109, 124, 125, 155, 200, 218, 248, 250, 310, 436, 500, 545, 620, 625, 775, 872, 1000, 1090, 1240, 1250, 1550, 2180, 2500, 2725, 3100, 3125, 3379, 3875, 4360, 5000, 5450, 6200, 6250, 6758, 7750, 10900, 12500, 13516, 13625, 15500, 16895, 19375, 21800, 25000, 27032, 27250, 31000, 33790, 38750, 54500, 67580, 68125, 77500, 84475, 96875, 109000, 135160, 136250, 155000, 168950, 193750, 272500, 337900, 340625, 387500, 422375, 545000, 675800, 681250, 775000, 844750, 1362500, 1689500, 2111875, 2725000, 3379000, 4223750, 8447500, 10559375, 16895000, 21118750, 42237500, 84475000]

約数ペア:

[(1, 84475000), (2, 42237500), (4, 21118750), (5, 16895000), (8, 10559375), (10, 8447500), (20, 4223750), (25, 3379000), (31, 2725000), (40, 2111875), (50, 1689500), (62, 1362500), (100, 844750), (109, 775000), (124, 681250), (125, 675800), (155, 545000), (200, 422375), (218, 387500), (248, 340625), (250, 337900), (310, 272500), (436, 193750), (500, 168950), (545, 155000), (620, 136250), (625, 135160), (775, 109000), (872, 96875), (1000, 84475), (1090, 77500), (1240, 68125), (1250, 67580), (1550, 54500), (2180, 38750), (2500, 33790), (2725, 31000), (3100, 27250), (3125, 27032), (3379, 25000), (3875, 21800), (4360, 19375), (5000, 16895), (5450, 15500), (6200, 13625), (6250, 13516), (6758, 12500), (7750, 10900)]