261940490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{15527}}^1$

素因数の和:15782

約数の個数: 32

約数和(自身を含む): 541119744

約数和(自身を除く): 279179254

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 241, 482, 1205, 1687, 2410, 3374, 8435, 15527, 16870, 31054, 77635, 108689, 155270, 217378, 543445, 1086890, 3742007, 7484014, 18710035, 26194049, 37420070, 52388098, 130970245, 261940490]

約数ペア:

[(1, 261940490), (2, 130970245), (5, 52388098), (7, 37420070), (10, 26194049), (14, 18710035), (35, 7484014), (70, 3742007), (241, 1086890), (482, 543445), (1205, 217378), (1687, 155270), (2410, 108689), (3374, 77635), (8435, 31054), (15527, 16870)]