291239060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{6689}}^1$

素因数の和:7016

約数の個数: 48

約数和(自身を含む): 701326080

約数和(自身を除く): 410087020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 2177, 3110, 4354, 6220, 6689, 8708, 10885, 13378, 21770, 26756, 33445, 43540, 46823, 66890, 93646, 133780, 187292, 234115, 468230, 936460, 2080279, 4160558, 8321116, 10401395, 14561953, 20802790, 29123906, 41605580, 58247812, 72809765, 145619530, 291239060]

約数ペア:

[(1, 291239060), (2, 145619530), (4, 72809765), (5, 58247812), (7, 41605580), (10, 29123906), (14, 20802790), (20, 14561953), (28, 10401395), (35, 8321116), (70, 4160558), (140, 2080279), (311, 936460), (622, 468230), (1244, 234115), (1555, 187292), (2177, 133780), (3110, 93646), (4354, 66890), (6220, 46823), (6689, 43540), (8708, 33445), (10885, 26756), (13378, 21770)]