390339740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{14153}}^1$

素因数の和:14366

約数の個数: 48

約数和(自身を含む): 941637312

約数和(自身を除く): 551297572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 13790, 14153, 27580, 28306, 56612, 70765, 99071, 141530, 198142, 283060, 396284, 495355, 990710, 1981420, 2788141, 5576282, 11152564, 13940705, 19516987, 27881410, 39033974, 55762820, 78067948, 97584935, 195169870, 390339740]

約数ペア:

[(1, 390339740), (2, 195169870), (4, 97584935), (5, 78067948), (7, 55762820), (10, 39033974), (14, 27881410), (20, 19516987), (28, 13940705), (35, 11152564), (70, 5576282), (140, 2788141), (197, 1981420), (394, 990710), (788, 495355), (985, 396284), (1379, 283060), (1970, 198142), (2758, 141530), (3940, 99071), (5516, 70765), (6895, 56612), (13790, 28306), (14153, 27580)]