420801040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:281

約数の個数: 160

約数和(自身を含む): 1113678720

約数和(自身を除く): 692877680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 107, 109, 110, 164, 176, 205, 214, 218, 220, 328, 410, 428, 436, 440, 451, 535, 545, 656, 820, 856, 872, 880, 902, 1070, 1090, 1177, 1199, 1640, 1712, 1744, 1804, 2140, 2180, 2255, 2354, 2398, 3280, 3608, 4280, 4360, 4387, 4469, 4510, 4708, 4796, 5885, 5995, 7216, 8560, 8720, 8774, 8938, 9020, 9416, 9592, 11663, 11770, 11990, 17548, 17876, 18040, 18832, 19184, 21935, 22345, 23326, 23540, 23980, 35096, 35752, 36080, 43870, 44690, 46652, 47080, 47960, 48257, 49159, 58315, 70192, 71504, 87740, 89380, 93304, 94160, 95920, 96514, 98318, 116630, 128293, 175480, 178760, 186608, 193028, 196636, 233260, 241285, 245795, 256586, 350960, 357520, 386056, 393272, 466520, 478183, 482570, 491590, 513172, 641465, 772112, 786544, 933040, 956366, 965140, 983180, 1026344, 1282930, 1912732, 1930280, 1966360, 2052688, 2390915, 2565860, 3825464, 3860560, 3932720, 4781830, 5131720, 5260013, 7650928, 9563660, 10263440, 10520026, 19127320, 21040052, 26300065, 38254640, 42080104, 52600130, 84160208, 105200260, 210400520, 420801040]

約数ペア:

[(1, 420801040), (2, 210400520), (4, 105200260), (5, 84160208), (8, 52600130), (10, 42080104), (11, 38254640), (16, 26300065), (20, 21040052), (22, 19127320), (40, 10520026), (41, 10263440), (44, 9563660), (55, 7650928), (80, 5260013), (82, 5131720), (88, 4781830), (107, 3932720), (109, 3860560), (110, 3825464), (164, 2565860), (176, 2390915), (205, 2052688), (214, 1966360), (218, 1930280), (220, 1912732), (328, 1282930), (410, 1026344), (428, 983180), (436, 965140), (440, 956366), (451, 933040), (535, 786544), (545, 772112), (656, 641465), (820, 513172), (856, 491590), (872, 482570), (880, 478183), (902, 466520), (1070, 393272), (1090, 386056), (1177, 357520), (1199, 350960), (1640, 256586), (1712, 245795), (1744, 241285), (1804, 233260), (2140, 196636), (2180, 193028), (2255, 186608), (2354, 178760), (2398, 175480), (3280, 128293), (3608, 116630), (4280, 98318), (4360, 96514), (4387, 95920), (4469, 94160), (4510, 93304), (4708, 89380), (4796, 87740), (5885, 71504), (5995, 70192), (7216, 58315), (8560, 49159), (8720, 48257), (8774, 47960), (8938, 47080), (9020, 46652), (9416, 44690), (9592, 43870), (11663, 36080), (11770, 35752), (11990, 35096), (17548, 23980), (17876, 23540), (18040, 23326), (18832, 22345), (19184, 21935)]