208623580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 496601280

約数和(自身を除く): 287977700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 101, 110, 164, 202, 205, 220, 229, 404, 410, 451, 458, 505, 820, 902, 916, 1010, 1111, 1145, 1804, 2020, 2222, 2255, 2290, 2519, 4141, 4444, 4510, 4580, 5038, 5555, 8282, 9020, 9389, 10076, 11110, 12595, 16564, 18778, 20705, 22220, 23129, 25190, 37556, 41410, 45551, 46258, 46945, 50380, 82820, 91102, 92516, 93890, 103279, 115645, 182204, 187780, 206558, 227755, 231290, 254419, 413116, 455510, 462580, 508838, 516395, 911020, 948289, 1017676, 1032790, 1272095, 1896578, 2065580, 2544190, 3793156, 4741445, 5088380, 9482890, 10431179, 18965780, 20862358, 41724716, 52155895, 104311790, 208623580]

約数ペア:

[(1, 208623580), (2, 104311790), (4, 52155895), (5, 41724716), (10, 20862358), (11, 18965780), (20, 10431179), (22, 9482890), (41, 5088380), (44, 4741445), (55, 3793156), (82, 2544190), (101, 2065580), (110, 1896578), (164, 1272095), (202, 1032790), (205, 1017676), (220, 948289), (229, 911020), (404, 516395), (410, 508838), (451, 462580), (458, 455510), (505, 413116), (820, 254419), (902, 231290), (916, 227755), (1010, 206558), (1111, 187780), (1145, 182204), (1804, 115645), (2020, 103279), (2222, 93890), (2255, 92516), (2290, 91102), (2519, 82820), (4141, 50380), (4444, 46945), (4510, 46258), (4580, 45551), (5038, 41410), (5555, 37556), (8282, 25190), (9020, 23129), (9389, 22220), (10076, 20705), (11110, 18778), (12595, 16564)]