28305124760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1\times {\mathrm{1663}}^1$

素因数の和:2169

約数の個数: 128

約数和(自身を含む): 70389596160

約数和(自身を除く): 42084471400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 383, 404, 440, 505, 766, 808, 1010, 1111, 1532, 1663, 1915, 2020, 2222, 3064, 3326, 3830, 4040, 4213, 4444, 5555, 6652, 7660, 8315, 8426, 8888, 11110, 13304, 15320, 16630, 16852, 18293, 21065, 22220, 33260, 33704, 36586, 38683, 42130, 44440, 66520, 73172, 77366, 84260, 91465, 146344, 154732, 167963, 168520, 182930, 193415, 309464, 335926, 365860, 386830, 425513, 636929, 671852, 731720, 773660, 839815, 851026, 1273858, 1343704, 1547320, 1679630, 1702052, 1847593, 2127565, 2547716, 3184645, 3359260, 3404104, 3695186, 4255130, 5095432, 6369290, 6718520, 7006219, 7390372, 8510260, 9237965, 12738580, 14012438, 14780744, 17020520, 18475930, 25477160, 28024876, 35031095, 36951860, 56049752, 64329829, 70062190, 73903720, 128659658, 140124380, 257319316, 280248760, 321649145, 514638632, 643298290, 707628119, 1286596580, 1415256238, 2573193160, 2830512476, 3538140595, 5661024952, 7076281190, 14152562380, 28305124760]

約数ペア:

[(1, 28305124760), (2, 14152562380), (4, 7076281190), (5, 5661024952), (8, 3538140595), (10, 2830512476), (11, 2573193160), (20, 1415256238), (22, 1286596580), (40, 707628119), (44, 643298290), (55, 514638632), (88, 321649145), (101, 280248760), (110, 257319316), (202, 140124380), (220, 128659658), (383, 73903720), (404, 70062190), (440, 64329829), (505, 56049752), (766, 36951860), (808, 35031095), (1010, 28024876), (1111, 25477160), (1532, 18475930), (1663, 17020520), (1915, 14780744), (2020, 14012438), (2222, 12738580), (3064, 9237965), (3326, 8510260), (3830, 7390372), (4040, 7006219), (4213, 6718520), (4444, 6369290), (5555, 5095432), (6652, 4255130), (7660, 3695186), (8315, 3404104), (8426, 3359260), (8888, 3184645), (11110, 2547716), (13304, 2127565), (15320, 1847593), (16630, 1702052), (16852, 1679630), (18293, 1547320), (21065, 1343704), (22220, 1273858), (33260, 851026), (33704, 839815), (36586, 773660), (38683, 731720), (42130, 671852), (44440, 636929), (66520, 425513), (73172, 386830), (77366, 365860), (84260, 335926), (91465, 309464), (146344, 193415), (154732, 182930), (167963, 168520)]