1666900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 36

約数和(自身を含む): 3680320

約数和(自身を除く): 2013420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 211, 316, 395, 422, 790, 844, 1055, 1580, 1975, 2110, 3950, 4220, 5275, 7900, 10550, 16669, 21100, 33338, 66676, 83345, 166690, 333380, 416725, 833450, 1666900]

約数ペア:

[(1, 1666900), (2, 833450), (4, 416725), (5, 333380), (10, 166690), (20, 83345), (25, 66676), (50, 33338), (79, 21100), (100, 16669), (158, 10550), (211, 7900), (316, 5275), (395, 4220), (422, 3950), (790, 2110), (844, 1975), (1055, 1580)]