2947900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 6562080

約数和(自身を除く): 3614180

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 719, 820, 1025, 1438, 2050, 2876, 3595, 4100, 7190, 14380, 17975, 29479, 35950, 58958, 71900, 117916, 147395, 294790, 589580, 736975, 1473950, 2947900]

約数ペア:

[(1, 2947900), (2, 1473950), (4, 736975), (5, 589580), (10, 294790), (20, 147395), (25, 117916), (41, 71900), (50, 58958), (82, 35950), (100, 29479), (164, 17975), (205, 14380), (410, 7190), (719, 4100), (820, 3595), (1025, 2876), (1438, 2050)]