318888945640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{74506763}}^1$

素因数の和:74506881

約数の個数: 32

約数和(自身を含む): 724205746080

約数和(自身を除く): 405316800440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 74506763, 149013526, 298027052, 372533815, 596054104, 745067630, 1490135260, 2980270520, 7972223641, 15944447282, 31888894564, 39861118205, 63777789128, 79722236410, 159444472820, 318888945640]

約数ペア:

[(1, 318888945640), (2, 159444472820), (4, 79722236410), (5, 63777789128), (8, 39861118205), (10, 31888894564), (20, 15944447282), (40, 7972223641), (107, 2980270520), (214, 1490135260), (428, 745067630), (535, 596054104), (856, 372533815), (1070, 298027052), (2140, 149013526), (4280, 74506763)]