210312760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1087}}^1$

素因数の和:1796

約数の個数: 64

約数和(自身を含む): 542085120

約数和(自身を除く): 331772360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 691, 1087, 1382, 2174, 2764, 3455, 4348, 4837, 5435, 5528, 6910, 7609, 8696, 9674, 10870, 13820, 15218, 19348, 21740, 24185, 27640, 30436, 38045, 38696, 43480, 48370, 60872, 76090, 96740, 152180, 193480, 304360, 751117, 1502234, 3004468, 3755585, 5257819, 6008936, 7511170, 10515638, 15022340, 21031276, 26289095, 30044680, 42062552, 52578190, 105156380, 210312760]

約数ペア:

[(1, 210312760), (2, 105156380), (4, 52578190), (5, 42062552), (7, 30044680), (8, 26289095), (10, 21031276), (14, 15022340), (20, 10515638), (28, 7511170), (35, 6008936), (40, 5257819), (56, 3755585), (70, 3004468), (140, 1502234), (280, 751117), (691, 304360), (1087, 193480), (1382, 152180), (2174, 96740), (2764, 76090), (3455, 60872), (4348, 48370), (4837, 43480), (5435, 38696), (5528, 38045), (6910, 30436), (7609, 27640), (8696, 24185), (9674, 21740), (10870, 19348), (13820, 15218)]