164681860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2311}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 396184320

約数和(自身を除く): 231502460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2311, 2545, 3563, 4622, 5090, 7126, 9244, 10180, 11555, 14252, 16177, 17815, 23110, 32354, 35630, 46220, 64708, 71260, 80885, 161770, 323540, 1176299, 2352598, 4705196, 5881495, 8234093, 11762990, 16468186, 23525980, 32936372, 41170465, 82340930, 164681860]

約数ペア:

[(1, 164681860), (2, 82340930), (4, 41170465), (5, 32936372), (7, 23525980), (10, 16468186), (14, 11762990), (20, 8234093), (28, 5881495), (35, 4705196), (70, 2352598), (140, 1176299), (509, 323540), (1018, 161770), (2036, 80885), (2311, 71260), (2545, 64708), (3563, 46220), (4622, 35630), (5090, 32354), (7126, 23110), (9244, 17815), (10180, 16177), (11555, 14252)]