319385380

素因数分解:

$2^2\times 5^1\times {\mathrm{3739}}^1\times {\mathrm{4271}}^1$

素因数の和:8019

約数の個数: 24

約数和(自身を含む): 671045760

約数和(自身を除く): 351660380

約数列:

[1, 2, 4, 5, 10, 20, 3739, 4271, 7478, 8542, 14956, 17084, 18695, 21355, 37390, 42710, 74780, 85420, 15969269, 31938538, 63877076, 79846345, 159692690, 319385380]

約数ペア:

[(1, 319385380), (2, 159692690), (4, 79846345), (5, 63877076), (10, 31938538), (20, 15969269), (3739, 85420), (4271, 74780), (7478, 42710), (8542, 37390), (14956, 21355), (17084, 18695)]