9407042920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{1181}}^1$

素因数の和:1667

約数の個数: 128

約数和(自身を含む): 23703166080

約数和(自身を除く): 14296123160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 421, 430, 440, 473, 842, 860, 946, 1181, 1684, 1720, 1892, 2105, 2362, 2365, 3368, 3784, 4210, 4631, 4724, 4730, 5905, 8420, 9262, 9448, 9460, 11810, 12991, 16840, 18103, 18524, 18920, 23155, 23620, 25982, 36206, 37048, 46310, 47240, 50783, 51964, 64955, 72412, 90515, 92620, 101566, 103928, 129910, 144824, 181030, 185240, 199133, 203132, 253915, 259820, 362060, 398266, 406264, 497201, 507830, 519640, 558613, 724120, 796532, 994402, 995665, 1015660, 1117226, 1593064, 1988804, 1991330, 2031320, 2234452, 2486005, 2793065, 3977608, 3982660, 4468904, 4972010, 5469211, 5586130, 7965320, 9944020, 10938422, 11172260, 19888040, 21379643, 21876844, 22344520, 27346055, 42759286, 43753688, 54692110, 85518572, 106898215, 109384220, 171037144, 213796430, 218768440, 235176073, 427592860, 470352146, 855185720, 940704292, 1175880365, 1881408584, 2351760730, 4703521460, 9407042920]

約数ペア:

[(1, 9407042920), (2, 4703521460), (4, 2351760730), (5, 1881408584), (8, 1175880365), (10, 940704292), (11, 855185720), (20, 470352146), (22, 427592860), (40, 235176073), (43, 218768440), (44, 213796430), (55, 171037144), (86, 109384220), (88, 106898215), (110, 85518572), (172, 54692110), (215, 43753688), (220, 42759286), (344, 27346055), (421, 22344520), (430, 21876844), (440, 21379643), (473, 19888040), (842, 11172260), (860, 10938422), (946, 9944020), (1181, 7965320), (1684, 5586130), (1720, 5469211), (1892, 4972010), (2105, 4468904), (2362, 3982660), (2365, 3977608), (3368, 2793065), (3784, 2486005), (4210, 2234452), (4631, 2031320), (4724, 1991330), (4730, 1988804), (5905, 1593064), (8420, 1117226), (9262, 1015660), (9448, 995665), (9460, 994402), (11810, 796532), (12991, 724120), (16840, 558613), (18103, 519640), (18524, 507830), (18920, 497201), (23155, 406264), (23620, 398266), (25982, 362060), (36206, 259820), (37048, 253915), (46310, 203132), (47240, 199133), (50783, 185240), (51964, 181030), (64955, 144824), (72412, 129910), (90515, 103928), (92620, 101566)]