7220675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 11618304

約数和(自身を除く): 4397629

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 121, 155, 175, 217, 275, 341, 385, 605, 775, 847, 1085, 1331, 1705, 1925, 2387, 3025, 3751, 4235, 5425, 6655, 8525, 9317, 11935, 18755, 21175, 26257, 33275, 41261, 46585, 59675, 93775, 131285, 206305, 232925, 288827, 656425, 1031525, 1444135, 7220675]

約数ペア:

[(1, 7220675), (5, 1444135), (7, 1031525), (11, 656425), (25, 288827), (31, 232925), (35, 206305), (55, 131285), (77, 93775), (121, 59675), (155, 46585), (175, 41261), (217, 33275), (275, 26257), (341, 21175), (385, 18755), (605, 11935), (775, 9317), (847, 8525), (1085, 6655), (1331, 5425), (1705, 4235), (1925, 3751), (2387, 3025)]