256480510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179357}}^1$

素因数の和:179388

約数の個数: 32

約数和(自身を含む): 542378592

約数和(自身を除く): 285898082

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 179357, 358714, 896785, 1793570, 1972927, 2331641, 3945854, 4663282, 9864635, 11658205, 19729270, 23316410, 25648051, 51296102, 128240255, 256480510]

約数ペア:

[(1, 256480510), (2, 128240255), (5, 51296102), (10, 25648051), (11, 23316410), (13, 19729270), (22, 11658205), (26, 9864635), (55, 4663282), (65, 3945854), (110, 2331641), (130, 1972927), (143, 1793570), (286, 896785), (715, 358714), (1430, 179357)]