68818820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1297}}^1$

素因数の和:1692

約数の個数: 48

約数和(自身を含む): 165728640

約数和(自身を除く): 96909820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 758, 1297, 1516, 1895, 2594, 2653, 3790, 5188, 5306, 6485, 7580, 9079, 10612, 12970, 13265, 18158, 25940, 26530, 36316, 45395, 53060, 90790, 181580, 491563, 983126, 1966252, 2457815, 3440941, 4915630, 6881882, 9831260, 13763764, 17204705, 34409410, 68818820]

約数ペア:

[(1, 68818820), (2, 34409410), (4, 17204705), (5, 13763764), (7, 9831260), (10, 6881882), (14, 4915630), (20, 3440941), (28, 2457815), (35, 1966252), (70, 983126), (140, 491563), (379, 181580), (758, 90790), (1297, 53060), (1516, 45395), (1895, 36316), (2594, 26530), (2653, 25940), (3790, 18158), (5188, 13265), (5306, 12970), (6485, 10612), (7580, 9079)]