328045340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{3391}}^1$

素因数の和:4098

約数の個数: 48

約数和(自身を含む): 788680704

約数和(自身を除く): 460635364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 691, 1382, 2764, 3391, 3455, 4837, 6782, 6910, 9674, 13564, 13820, 16955, 19348, 23737, 24185, 33910, 47474, 48370, 67820, 94948, 96740, 118685, 237370, 474740, 2343181, 4686362, 9372724, 11715905, 16402267, 23431810, 32804534, 46863620, 65609068, 82011335, 164022670, 328045340]

約数ペア:

[(1, 328045340), (2, 164022670), (4, 82011335), (5, 65609068), (7, 46863620), (10, 32804534), (14, 23431810), (20, 16402267), (28, 11715905), (35, 9372724), (70, 4686362), (140, 2343181), (691, 474740), (1382, 237370), (2764, 118685), (3391, 96740), (3455, 94948), (4837, 67820), (6782, 48370), (6910, 47474), (9674, 33910), (13564, 24185), (13820, 23737), (16955, 19348)]