2814140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20101}}^1$

素因数の和:20117

約数の個数: 24

約数和(自身を含む): 6754272

約数和(自身を除く): 3940132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20101, 40202, 80404, 100505, 140707, 201010, 281414, 402020, 562828, 703535, 1407070, 2814140]

約数ペア:

[(1, 2814140), (2, 1407070), (4, 703535), (5, 562828), (7, 402020), (10, 281414), (14, 201010), (20, 140707), (28, 100505), (35, 80404), (70, 40202), (140, 20101)]