2812460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20089}}^1$

素因数の和:20105

約数の個数: 24

約数和(自身を含む): 6750240

約数和(自身を除く): 3937780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20089, 40178, 80356, 100445, 140623, 200890, 281246, 401780, 562492, 703115, 1406230, 2812460]

約数ペア:

[(1, 2812460), (2, 1406230), (4, 703115), (5, 562492), (7, 401780), (10, 281246), (14, 200890), (20, 140623), (28, 100445), (35, 80356), (70, 40178), (140, 20089)]