225500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:71

約数の個数: 48

約数和(自身を含む): 550368

約数和(自身を除く): 324868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 125, 164, 205, 220, 250, 275, 410, 451, 500, 550, 820, 902, 1025, 1100, 1375, 1804, 2050, 2255, 2750, 4100, 4510, 5125, 5500, 9020, 10250, 11275, 20500, 22550, 45100, 56375, 112750, 225500]

約数ペア:

[(1, 225500), (2, 112750), (4, 56375), (5, 45100), (10, 22550), (11, 20500), (20, 11275), (22, 10250), (25, 9020), (41, 5500), (44, 5125), (50, 4510), (55, 4100), (82, 2750), (100, 2255), (110, 2050), (125, 1804), (164, 1375), (205, 1100), (220, 1025), (250, 902), (275, 820), (410, 550), (451, 500)]