159800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 401760

約数和(自身を除く): 241960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 47, 50, 68, 85, 94, 100, 136, 170, 188, 200, 235, 340, 376, 425, 470, 680, 799, 850, 940, 1175, 1598, 1700, 1880, 2350, 3196, 3400, 3995, 4700, 6392, 7990, 9400, 15980, 19975, 31960, 39950, 79900, 159800]

約数ペア:

[(1, 159800), (2, 79900), (4, 39950), (5, 31960), (8, 19975), (10, 15980), (17, 9400), (20, 7990), (25, 6392), (34, 4700), (40, 3995), (47, 3400), (50, 3196), (68, 2350), (85, 1880), (94, 1700), (100, 1598), (136, 1175), (170, 940), (188, 850), (200, 799), (235, 680), (340, 470), (376, 425)]