387750440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1879}}^1$

素因数の和:1975

約数の個数: 128

約数和(自身を含む): 1104537600

約数和(自身を除く): 716787160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 67, 70, 77, 88, 110, 134, 140, 154, 220, 268, 280, 308, 335, 385, 440, 469, 536, 616, 670, 737, 770, 938, 1340, 1474, 1540, 1876, 1879, 2345, 2680, 2948, 3080, 3685, 3752, 3758, 4690, 5159, 5896, 7370, 7516, 9380, 9395, 10318, 13153, 14740, 15032, 18760, 18790, 20636, 20669, 25795, 26306, 29480, 37580, 41272, 41338, 51590, 52612, 65765, 75160, 82676, 103180, 103345, 105224, 125893, 131530, 144683, 165352, 206360, 206690, 251786, 263060, 289366, 413380, 503572, 526120, 578732, 629465, 723415, 826760, 881251, 1007144, 1157464, 1258930, 1384823, 1446830, 1762502, 2517860, 2769646, 2893660, 3525004, 4406255, 5035720, 5539292, 5787320, 6924115, 7050008, 8812510, 9693761, 11078584, 13848230, 17625020, 19387522, 27696460, 35250040, 38775044, 48468805, 55392920, 77550088, 96937610, 193875220, 387750440]

約数ペア:

[(1, 387750440), (2, 193875220), (4, 96937610), (5, 77550088), (7, 55392920), (8, 48468805), (10, 38775044), (11, 35250040), (14, 27696460), (20, 19387522), (22, 17625020), (28, 13848230), (35, 11078584), (40, 9693761), (44, 8812510), (55, 7050008), (56, 6924115), (67, 5787320), (70, 5539292), (77, 5035720), (88, 4406255), (110, 3525004), (134, 2893660), (140, 2769646), (154, 2517860), (220, 1762502), (268, 1446830), (280, 1384823), (308, 1258930), (335, 1157464), (385, 1007144), (440, 881251), (469, 826760), (536, 723415), (616, 629465), (670, 578732), (737, 526120), (770, 503572), (938, 413380), (1340, 289366), (1474, 263060), (1540, 251786), (1876, 206690), (1879, 206360), (2345, 165352), (2680, 144683), (2948, 131530), (3080, 125893), (3685, 105224), (3752, 103345), (3758, 103180), (4690, 82676), (5159, 75160), (5896, 65765), (7370, 52612), (7516, 51590), (9380, 41338), (9395, 41272), (10318, 37580), (13153, 29480), (14740, 26306), (15032, 25795), (18760, 20669), (18790, 20636)]