280505104

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{144889}}^1$

素因数の和:144919

約数の個数: 30

約数和(自身を含む): 597381470

約数和(自身を除く): 316876366

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 144889, 289778, 579556, 1159112, 1593779, 2318224, 3187558, 6375116, 12750232, 17531569, 25500464, 35063138, 70126276, 140252552, 280505104]

約数ペア:

[(1, 280505104), (2, 140252552), (4, 70126276), (8, 35063138), (11, 25500464), (16, 17531569), (22, 12750232), (44, 6375116), (88, 3187558), (121, 2318224), (176, 1593779), (242, 1159112), (484, 579556), (968, 289778), (1936, 144889)]