1222000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:83

約数の個数: 80

約数和(自身を含む): 3249792

約数和(自身を除く): 2027792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 47, 50, 52, 65, 80, 94, 100, 104, 125, 130, 188, 200, 208, 235, 250, 260, 325, 376, 400, 470, 500, 520, 611, 650, 752, 940, 1000, 1040, 1175, 1222, 1300, 1625, 1880, 2000, 2350, 2444, 2600, 3055, 3250, 3760, 4700, 4888, 5200, 5875, 6110, 6500, 9400, 9776, 11750, 12220, 13000, 15275, 18800, 23500, 24440, 26000, 30550, 47000, 48880, 61100, 76375, 94000, 122200, 152750, 244400, 305500, 611000, 1222000]

約数ペア:

[(1, 1222000), (2, 611000), (4, 305500), (5, 244400), (8, 152750), (10, 122200), (13, 94000), (16, 76375), (20, 61100), (25, 48880), (26, 47000), (40, 30550), (47, 26000), (50, 24440), (52, 23500), (65, 18800), (80, 15275), (94, 13000), (100, 12220), (104, 11750), (125, 9776), (130, 9400), (188, 6500), (200, 6110), (208, 5875), (235, 5200), (250, 4888), (260, 4700), (325, 3760), (376, 3250), (400, 3055), (470, 2600), (500, 2444), (520, 2350), (611, 2000), (650, 1880), (752, 1625), (940, 1300), (1000, 1222), (1040, 1175)]