2017956920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:757

約数の個数: 128

約数和(自身を含む): 5299430400

約数和(自身を除く): 3281473480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 263, 268, 280, 335, 409, 469, 526, 536, 670, 818, 938, 1052, 1315, 1340, 1636, 1841, 1876, 2045, 2104, 2345, 2630, 2680, 2863, 3272, 3682, 3752, 4090, 4690, 5260, 5726, 7364, 8180, 9205, 9380, 10520, 11452, 14315, 14728, 16360, 17621, 18410, 18760, 22904, 27403, 28630, 35242, 36820, 54806, 57260, 70484, 73640, 88105, 107567, 109612, 114520, 123347, 137015, 140968, 176210, 191821, 215134, 219224, 246694, 274030, 352420, 383642, 430268, 493388, 537835, 548060, 616735, 704840, 752969, 767284, 860536, 959105, 986776, 1075670, 1096120, 1233470, 1505938, 1534568, 1918210, 2151340, 2466940, 3011876, 3764845, 3836420, 4302680, 4933880, 6023752, 7206989, 7529690, 7672840, 14413978, 15059380, 28827956, 30118760, 36034945, 50448923, 57655912, 72069890, 100897846, 144139780, 201795692, 252244615, 288279560, 403591384, 504489230, 1008978460, 2017956920]

約数ペア:

[(1, 2017956920), (2, 1008978460), (4, 504489230), (5, 403591384), (7, 288279560), (8, 252244615), (10, 201795692), (14, 144139780), (20, 100897846), (28, 72069890), (35, 57655912), (40, 50448923), (56, 36034945), (67, 30118760), (70, 28827956), (134, 15059380), (140, 14413978), (263, 7672840), (268, 7529690), (280, 7206989), (335, 6023752), (409, 4933880), (469, 4302680), (526, 3836420), (536, 3764845), (670, 3011876), (818, 2466940), (938, 2151340), (1052, 1918210), (1315, 1534568), (1340, 1505938), (1636, 1233470), (1841, 1096120), (1876, 1075670), (2045, 986776), (2104, 959105), (2345, 860536), (2630, 767284), (2680, 752969), (2863, 704840), (3272, 616735), (3682, 548060), (3752, 537835), (4090, 493388), (4690, 430268), (5260, 383642), (5726, 352420), (7364, 274030), (8180, 246694), (9205, 219224), (9380, 215134), (10520, 191821), (11452, 176210), (14315, 140968), (14728, 137015), (16360, 123347), (17621, 114520), (18410, 109612), (18760, 107567), (22904, 88105), (27403, 73640), (28630, 70484), (35242, 57260), (36820, 54806)]