868769500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{42379}}^1$

素因数の和:42439

約数の個数: 48

約数和(自身を含む): 1943716320

約数和(自身を除く): 1074946820

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1025, 2050, 4100, 5125, 10250, 20500, 42379, 84758, 169516, 211895, 423790, 847580, 1059475, 1737539, 2118950, 3475078, 4237900, 5297375, 6950156, 8687695, 10594750, 17375390, 21189500, 34750780, 43438475, 86876950, 173753900, 217192375, 434384750, 868769500]

約数ペア:

[(1, 868769500), (2, 434384750), (4, 217192375), (5, 173753900), (10, 86876950), (20, 43438475), (25, 34750780), (41, 21189500), (50, 17375390), (82, 10594750), (100, 8687695), (125, 6950156), (164, 5297375), (205, 4237900), (250, 3475078), (410, 2118950), (500, 1737539), (820, 1059475), (1025, 847580), (2050, 423790), (4100, 211895), (5125, 169516), (10250, 84758), (20500, 42379)]