8531000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 21060000

約数和(自身を除く): 12529000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 449, 475, 500, 760, 898, 950, 1000, 1796, 1900, 2245, 2375, 3592, 3800, 4490, 4750, 8531, 8980, 9500, 11225, 17062, 17960, 19000, 22450, 34124, 42655, 44900, 56125, 68248, 85310, 89800, 112250, 170620, 213275, 224500, 341240, 426550, 449000, 853100, 1066375, 1706200, 2132750, 4265500, 8531000]

約数ペア:

[(1, 8531000), (2, 4265500), (4, 2132750), (5, 1706200), (8, 1066375), (10, 853100), (19, 449000), (20, 426550), (25, 341240), (38, 224500), (40, 213275), (50, 170620), (76, 112250), (95, 89800), (100, 85310), (125, 68248), (152, 56125), (190, 44900), (200, 42655), (250, 34124), (380, 22450), (449, 19000), (475, 17960), (500, 17062), (760, 11225), (898, 9500), (950, 8980), (1000, 8531), (1796, 4750), (1900, 4490), (2245, 3800), (2375, 3592)]