338120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 777600

約数和(自身を除く): 439480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 107, 158, 214, 316, 395, 428, 535, 632, 790, 856, 1070, 1580, 2140, 3160, 4280, 8453, 16906, 33812, 42265, 67624, 84530, 169060, 338120]

約数ペア:

[(1, 338120), (2, 169060), (4, 84530), (5, 67624), (8, 42265), (10, 33812), (20, 16906), (40, 8453), (79, 4280), (107, 3160), (158, 2140), (214, 1580), (316, 1070), (395, 856), (428, 790), (535, 632)]