348518060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{21701}}^1$

素因数の和:21794

約数の個数: 48

約数和(自身を含む): 809397792

約数和(自身を除く): 460879732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 16060, 21701, 43402, 86804, 108505, 217010, 238711, 434020, 477422, 954844, 1193555, 1584173, 2387110, 3168346, 4774220, 6336692, 7920865, 15841730, 17425903, 31683460, 34851806, 69703612, 87129515, 174259030, 348518060]

約数ペア:

[(1, 348518060), (2, 174259030), (4, 87129515), (5, 69703612), (10, 34851806), (11, 31683460), (20, 17425903), (22, 15841730), (44, 7920865), (55, 6336692), (73, 4774220), (110, 3168346), (146, 2387110), (220, 1584173), (292, 1193555), (365, 954844), (730, 477422), (803, 434020), (1460, 238711), (1606, 217010), (3212, 108505), (4015, 86804), (8030, 43402), (16060, 21701)]