2920225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 4749696

約数和(自身を除く): 1829471

約数列:

[1, 5, 7, 11, 25, 35, 37, 41, 55, 77, 175, 185, 205, 259, 275, 287, 385, 407, 451, 925, 1025, 1295, 1435, 1517, 1925, 2035, 2255, 2849, 3157, 6475, 7175, 7585, 10175, 10619, 11275, 14245, 15785, 16687, 37925, 53095, 71225, 78925, 83435, 116809, 265475, 417175, 584045, 2920225]

約数ペア:

[(1, 2920225), (5, 584045), (7, 417175), (11, 265475), (25, 116809), (35, 83435), (37, 78925), (41, 71225), (55, 53095), (77, 37925), (175, 16687), (185, 15785), (205, 14245), (259, 11275), (275, 10619), (287, 10175), (385, 7585), (407, 7175), (451, 6475), (925, 3157), (1025, 2849), (1295, 2255), (1435, 2035), (1517, 1925)]