190488980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{865859}}^1$

素因数の和:865879

約数の個数: 24

約数和(自身を含む): 436393440

約数和(自身を除く): 245904460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 865859, 1731718, 3463436, 4329295, 8658590, 9524449, 17317180, 19048898, 38097796, 47622245, 95244490, 190488980]

約数ペア:

[(1, 190488980), (2, 95244490), (4, 47622245), (5, 38097796), (10, 19048898), (11, 17317180), (20, 9524449), (22, 8658590), (44, 4329295), (55, 3463436), (110, 1731718), (220, 865859)]