6656140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 14620032

約数和(自身を除く): 7963892

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 97, 146, 188, 194, 235, 292, 365, 388, 470, 485, 730, 940, 970, 1460, 1940, 3431, 4559, 6862, 7081, 9118, 13724, 14162, 17155, 18236, 22795, 28324, 34310, 35405, 45590, 68620, 70810, 91180, 141620, 332807, 665614, 1331228, 1664035, 3328070, 6656140]

約数ペア:

[(1, 6656140), (2, 3328070), (4, 1664035), (5, 1331228), (10, 665614), (20, 332807), (47, 141620), (73, 91180), (94, 70810), (97, 68620), (146, 45590), (188, 35405), (194, 34310), (235, 28324), (292, 22795), (365, 18236), (388, 17155), (470, 14162), (485, 13724), (730, 9118), (940, 7081), (970, 6862), (1460, 4559), (1940, 3431)]