91507900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2029}}^1$

素因数の和:2095

約数の個数: 72

約数和(自身を含む): 222017040

約数和(自身を除く): 130509140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1804, 2029, 2050, 2255, 4058, 4100, 4510, 8116, 9020, 10145, 11275, 20290, 22319, 22550, 40580, 44638, 45100, 50725, 83189, 89276, 101450, 111595, 166378, 202900, 223190, 332756, 415945, 446380, 557975, 831890, 915079, 1115950, 1663780, 1830158, 2079725, 2231900, 3660316, 4159450, 4575395, 8318900, 9150790, 18301580, 22876975, 45753950, 91507900]

約数ペア:

[(1, 91507900), (2, 45753950), (4, 22876975), (5, 18301580), (10, 9150790), (11, 8318900), (20, 4575395), (22, 4159450), (25, 3660316), (41, 2231900), (44, 2079725), (50, 1830158), (55, 1663780), (82, 1115950), (100, 915079), (110, 831890), (164, 557975), (205, 446380), (220, 415945), (275, 332756), (410, 223190), (451, 202900), (550, 166378), (820, 111595), (902, 101450), (1025, 89276), (1100, 83189), (1804, 50725), (2029, 45100), (2050, 44638), (2255, 40580), (4058, 22550), (4100, 22319), (4510, 20290), (8116, 11275), (9020, 10145)]