740720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 40

約数和(自身を含む): 1767744

約数和(自身を除く): 1027024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 197, 235, 376, 394, 470, 752, 788, 940, 985, 1576, 1880, 1970, 3152, 3760, 3940, 7880, 9259, 15760, 18518, 37036, 46295, 74072, 92590, 148144, 185180, 370360, 740720]

約数ペア:

[(1, 740720), (2, 370360), (4, 185180), (5, 148144), (8, 92590), (10, 74072), (16, 46295), (20, 37036), (40, 18518), (47, 15760), (80, 9259), (94, 7880), (188, 3940), (197, 3760), (235, 3152), (376, 1970), (394, 1880), (470, 1576), (752, 985), (788, 940)]