856673060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{1997}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 1827690480

約数和(自身を除く): 971017420

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 241, 356, 445, 482, 890, 964, 1205, 1780, 1997, 2410, 3994, 4820, 7988, 9985, 19970, 21449, 39940, 42898, 85796, 107245, 177733, 214490, 355466, 428980, 481277, 710932, 888665, 962554, 1777330, 1925108, 2406385, 3554660, 4812770, 9625540, 42833653, 85667306, 171334612, 214168265, 428336530, 856673060]

約数ペア:

[(1, 856673060), (2, 428336530), (4, 214168265), (5, 171334612), (10, 85667306), (20, 42833653), (89, 9625540), (178, 4812770), (241, 3554660), (356, 2406385), (445, 1925108), (482, 1777330), (890, 962554), (964, 888665), (1205, 710932), (1780, 481277), (1997, 428980), (2410, 355466), (3994, 214490), (4820, 177733), (7988, 107245), (9985, 85796), (19970, 42898), (21449, 39940)]