213027920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1931}}^1$

素因数の和:2148

約数の個数: 80

約数和(自身を含む): 569213568

約数和(自身を除く): 356185648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 985, 1379, 1576, 1931, 1970, 2758, 3152, 3862, 3940, 5516, 6895, 7724, 7880, 9655, 11032, 13517, 13790, 15448, 15760, 19310, 22064, 27034, 27580, 30896, 38620, 54068, 55160, 67585, 77240, 108136, 110320, 135170, 154480, 216272, 270340, 380407, 540680, 760814, 1081360, 1521628, 1902035, 2662849, 3043256, 3804070, 5325698, 6086512, 7608140, 10651396, 13314245, 15216280, 21302792, 26628490, 30432560, 42605584, 53256980, 106513960, 213027920]

約数ペア:

[(1, 213027920), (2, 106513960), (4, 53256980), (5, 42605584), (7, 30432560), (8, 26628490), (10, 21302792), (14, 15216280), (16, 13314245), (20, 10651396), (28, 7608140), (35, 6086512), (40, 5325698), (56, 3804070), (70, 3043256), (80, 2662849), (112, 1902035), (140, 1521628), (197, 1081360), (280, 760814), (394, 540680), (560, 380407), (788, 270340), (985, 216272), (1379, 154480), (1576, 135170), (1931, 110320), (1970, 108136), (2758, 77240), (3152, 67585), (3862, 55160), (3940, 54068), (5516, 38620), (6895, 30896), (7724, 27580), (7880, 27034), (9655, 22064), (11032, 19310), (13517, 15760), (13790, 15448)]