280120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 648000

約数和(自身を除く): 367880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 149, 188, 235, 298, 376, 470, 596, 745, 940, 1192, 1490, 1880, 2980, 5960, 7003, 14006, 28012, 35015, 56024, 70030, 140060, 280120]

約数ペア:

[(1, 280120), (2, 140060), (4, 70030), (5, 56024), (8, 35015), (10, 28012), (20, 14006), (40, 7003), (47, 5960), (94, 2980), (149, 1880), (188, 1490), (235, 1192), (298, 940), (376, 745), (470, 596)]