42438340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2833}}^1$

素因数の和:2956

約数の個数: 48

約数和(自身を含む): 102840192

約数和(自身を除く): 60401852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2833, 2996, 3745, 5666, 7490, 11332, 14165, 14980, 19831, 28330, 39662, 56660, 79324, 99155, 198310, 303131, 396620, 606262, 1212524, 1515655, 2121917, 3031310, 4243834, 6062620, 8487668, 10609585, 21219170, 42438340]

約数ペア:

[(1, 42438340), (2, 21219170), (4, 10609585), (5, 8487668), (7, 6062620), (10, 4243834), (14, 3031310), (20, 2121917), (28, 1515655), (35, 1212524), (70, 606262), (107, 396620), (140, 303131), (214, 198310), (428, 99155), (535, 79324), (749, 56660), (1070, 39662), (1498, 28330), (2140, 19831), (2833, 14980), (2996, 14165), (3745, 11332), (5666, 7490)]