2012882740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1$

素因数の和:793

約数の個数: 96

約数和(自身を含む): 4694215680

約数和(自身を除く): 2681332940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 223, 356, 445, 446, 461, 890, 892, 922, 979, 1115, 1780, 1844, 1958, 2230, 2305, 2453, 3916, 4460, 4610, 4895, 4906, 5071, 9220, 9790, 9812, 10142, 12265, 19580, 19847, 20284, 24530, 25355, 39694, 41029, 49060, 50710, 79388, 82058, 99235, 101420, 102803, 164116, 198470, 205145, 205606, 218317, 396940, 410290, 411212, 436634, 451319, 514015, 820580, 873268, 902638, 1028030, 1091585, 1130833, 1805276, 2056060, 2183170, 2256595, 2261666, 4366340, 4513190, 4523332, 5654165, 9026380, 9149467, 11308330, 18298934, 22616660, 36597868, 45747335, 91494670, 100644137, 182989340, 201288274, 402576548, 503220685, 1006441370, 2012882740]

約数ペア:

[(1, 2012882740), (2, 1006441370), (4, 503220685), (5, 402576548), (10, 201288274), (11, 182989340), (20, 100644137), (22, 91494670), (44, 45747335), (55, 36597868), (89, 22616660), (110, 18298934), (178, 11308330), (220, 9149467), (223, 9026380), (356, 5654165), (445, 4523332), (446, 4513190), (461, 4366340), (890, 2261666), (892, 2256595), (922, 2183170), (979, 2056060), (1115, 1805276), (1780, 1130833), (1844, 1091585), (1958, 1028030), (2230, 902638), (2305, 873268), (2453, 820580), (3916, 514015), (4460, 451319), (4610, 436634), (4895, 411212), (4906, 410290), (5071, 396940), (9220, 218317), (9790, 205606), (9812, 205145), (10142, 198470), (12265, 164116), (19580, 102803), (19847, 101420), (20284, 99235), (24530, 82058), (25355, 79388), (39694, 50710), (41029, 49060)]