681838.0000000

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1387

約数の個数: 40

約数和(自身を含む): 11856384

約数和(自身を除く): 6866864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1327, 1880, 2654, 3760, 5308, 6635, 10616, 13270, 21232, 26540, 53080, 62369, 106160, 124738, 249476, 311845, 498952, 623690, 997904, 1247380, 2494760, 4989520]

約数ペア:

[(1, 4989520), (2, 2494760), (4, 1247380), (5, 997904), (8, 623690), (10, 498952), (16, 311845), (20, 249476), (40, 124738), (47, 106160), (80, 62369), (94, 53080), (188, 26540), (235, 21232), (376, 13270), (470, 10616), (752, 6635), (940, 5308), (1327, 3760), (1880, 2654)]