221920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:107

約数の個数: 48

約数和(自身を含む): 559440

約数和(自身を除く): 337520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 73, 76, 80, 95, 146, 152, 160, 190, 292, 304, 365, 380, 584, 608, 730, 760, 1168, 1387, 1460, 1520, 2336, 2774, 2920, 3040, 5548, 5840, 6935, 11096, 11680, 13870, 22192, 27740, 44384, 55480, 110960, 221920]

約数ペア:

[(1, 221920), (2, 110960), (4, 55480), (5, 44384), (8, 27740), (10, 22192), (16, 13870), (19, 11680), (20, 11096), (32, 6935), (38, 5840), (40, 5548), (73, 3040), (76, 2920), (80, 2774), (95, 2336), (146, 1520), (152, 1460), (160, 1387), (190, 1168), (292, 760), (304, 730), (365, 608), (380, 584)]