611000

素因数分解:

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

素因数の和:81

約数の個数: 64

約数和(自身を含む): 1572480

約数和(自身を除く): 961480

約数列:

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

約数ペア:

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