661131140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{703331}}^1$

素因数の和:703387

約数の個数: 24

約数和(自身を含む): 1417917312

約数和(自身を除く): 756786172

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 703331, 1406662, 2813324, 3516655, 7033310, 14066620, 33056557, 66113114, 132226228, 165282785, 330565570, 661131140]

約数ペア:

[(1, 661131140), (2, 330565570), (4, 165282785), (5, 132226228), (10, 66113114), (20, 33056557), (47, 14066620), (94, 7033310), (188, 3516655), (235, 2813324), (470, 1406662), (940, 703331)]