209289969680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2351}}^1\times {\mathrm{101161}}^1$

素因数の和:103536

約数の個数: 80

約数和(自身を含む): 531066509568

約数和(自身を除く): 321776539888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2351, 4702, 9404, 11755, 18808, 23510, 25861, 37616, 47020, 51722, 94040, 101161, 103444, 129305, 188080, 202322, 206888, 258610, 404644, 413776, 505805, 517220, 809288, 1011610, 1034440, 1112771, 1618576, 2023220, 2068880, 2225542, 4046440, 4451084, 5563855, 8092880, 8902168, 11127710, 17804336, 22255420, 44510840, 89021680, 237829511, 475659022, 951318044, 1189147555, 1902636088, 2378295110, 2616124621, 3805272176, 4756590220, 5232249242, 9513180440, 10464498484, 13080623105, 19026360880, 20928996968, 26161246210, 41857993936, 52322492420, 104644984840, 209289969680]

約数ペア:

[(1, 209289969680), (2, 104644984840), (4, 52322492420), (5, 41857993936), (8, 26161246210), (10, 20928996968), (11, 19026360880), (16, 13080623105), (20, 10464498484), (22, 9513180440), (40, 5232249242), (44, 4756590220), (55, 3805272176), (80, 2616124621), (88, 2378295110), (110, 1902636088), (176, 1189147555), (220, 951318044), (440, 475659022), (880, 237829511), (2351, 89021680), (4702, 44510840), (9404, 22255420), (11755, 17804336), (18808, 11127710), (23510, 8902168), (25861, 8092880), (37616, 5563855), (47020, 4451084), (51722, 4046440), (94040, 2225542), (101161, 2068880), (103444, 2023220), (129305, 1618576), (188080, 1112771), (202322, 1034440), (206888, 1011610), (258610, 809288), (404644, 517220), (413776, 505805)]