79900

素因数分解:

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

素因数の和:78

約数の個数: 36

約数和(自身を含む): 187488

約数和(自身を除く): 107588

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 170, 188, 235, 340, 425, 470, 799, 850, 940, 1175, 1598, 1700, 2350, 3196, 3995, 4700, 7990, 15980, 19975, 39950, 79900]

約数ペア:

[(1, 79900), (2, 39950), (4, 19975), (5, 15980), (10, 7990), (17, 4700), (20, 3995), (25, 3196), (34, 2350), (47, 1700), (50, 1598), (68, 1175), (85, 940), (94, 850), (100, 799), (170, 470), (188, 425), (235, 340)]