10720780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1049}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 26107200

約数和(自身を除く): 15386420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1049, 1460, 2044, 2098, 2555, 4196, 5110, 5245, 7343, 10220, 10490, 14686, 20980, 29372, 36715, 73430, 76577, 146860, 153154, 306308, 382885, 536039, 765770, 1072078, 1531540, 2144156, 2680195, 5360390, 10720780]

約数ペア:

[(1, 10720780), (2, 5360390), (4, 2680195), (5, 2144156), (7, 1531540), (10, 1072078), (14, 765770), (20, 536039), (28, 382885), (35, 306308), (70, 153154), (73, 146860), (140, 76577), (146, 73430), (292, 36715), (365, 29372), (511, 20980), (730, 14686), (1022, 10490), (1049, 10220), (1460, 7343), (2044, 5245), (2098, 5110), (2555, 4196)]