2119700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 5249664

約数和(自身を除く): 3129964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 47, 50, 55, 82, 94, 100, 110, 164, 188, 205, 220, 235, 275, 410, 451, 470, 517, 550, 820, 902, 940, 1025, 1034, 1100, 1175, 1804, 1927, 2050, 2068, 2255, 2350, 2585, 3854, 4100, 4510, 4700, 5170, 7708, 9020, 9635, 10340, 11275, 12925, 19270, 21197, 22550, 25850, 38540, 42394, 45100, 48175, 51700, 84788, 96350, 105985, 192700, 211970, 423940, 529925, 1059850, 2119700]

約数ペア:

[(1, 2119700), (2, 1059850), (4, 529925), (5, 423940), (10, 211970), (11, 192700), (20, 105985), (22, 96350), (25, 84788), (41, 51700), (44, 48175), (47, 45100), (50, 42394), (55, 38540), (82, 25850), (94, 22550), (100, 21197), (110, 19270), (164, 12925), (188, 11275), (205, 10340), (220, 9635), (235, 9020), (275, 7708), (410, 5170), (451, 4700), (470, 4510), (517, 4100), (550, 3854), (820, 2585), (902, 2350), (940, 2255), (1025, 2068), (1034, 2050), (1100, 1927), (1175, 1804)]