1996060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 4701312

約数和(自身を除く): 2705252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 211, 215, 220, 422, 430, 473, 844, 860, 946, 1055, 1892, 2110, 2321, 2365, 4220, 4642, 4730, 9073, 9284, 9460, 11605, 18146, 23210, 36292, 45365, 46420, 90730, 99803, 181460, 199606, 399212, 499015, 998030, 1996060]

約数ペア:

[(1, 1996060), (2, 998030), (4, 499015), (5, 399212), (10, 199606), (11, 181460), (20, 99803), (22, 90730), (43, 46420), (44, 45365), (55, 36292), (86, 23210), (110, 18146), (172, 11605), (211, 9460), (215, 9284), (220, 9073), (422, 4730), (430, 4642), (473, 4220), (844, 2365), (860, 2321), (946, 2110), (1055, 1892)]