290400572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{942859}}^1$

素因数の和:942881

約数の個数: 24

約数和(自身を含む): 633601920

約数和(自身を除く): 343201348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 942859, 1885718, 3771436, 6600013, 10371449, 13200026, 20742898, 26400052, 41485796, 72600143, 145200286, 290400572]

約数ペア:

[(1, 290400572), (2, 145200286), (4, 72600143), (7, 41485796), (11, 26400052), (14, 20742898), (22, 13200026), (28, 10371449), (44, 6600013), (77, 3771436), (154, 1885718), (308, 942859)]