38940580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{278147}}^1$

素因数の和:278163

約数の個数: 24

約数和(自身を含む): 93457728

約数和(自身を除く): 54517148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 278147, 556294, 1112588, 1390735, 1947029, 2781470, 3894058, 5562940, 7788116, 9735145, 19470290, 38940580]

約数ペア:

[(1, 38940580), (2, 19470290), (4, 9735145), (5, 7788116), (7, 5562940), (10, 3894058), (14, 2781470), (20, 1947029), (28, 1390735), (35, 1112588), (70, 556294), (140, 278147)]