7945820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 17418240

約数和(自身を除く): 9472420

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 107, 158, 188, 214, 235, 316, 395, 428, 470, 535, 790, 940, 1070, 1580, 2140, 3713, 5029, 7426, 8453, 10058, 14852, 16906, 18565, 20116, 25145, 33812, 37130, 42265, 50290, 74260, 84530, 100580, 169060, 397291, 794582, 1589164, 1986455, 3972910, 7945820]

約数ペア:

[(1, 7945820), (2, 3972910), (4, 1986455), (5, 1589164), (10, 794582), (20, 397291), (47, 169060), (79, 100580), (94, 84530), (107, 74260), (158, 50290), (188, 42265), (214, 37130), (235, 33812), (316, 25145), (395, 20116), (428, 18565), (470, 16906), (535, 14852), (790, 10058), (940, 8453), (1070, 7426), (1580, 5029), (2140, 3713)]