1999861780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14284727}}^1$

素因数の和:14284743

約数の個数: 24

約数和(自身を含む): 4799668608

約数和(自身を除く): 2799806828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14284727, 28569454, 57138908, 71423635, 99993089, 142847270, 199986178, 285694540, 399972356, 499965445, 999930890, 1999861780]

約数ペア:

[(1, 1999861780), (2, 999930890), (4, 499965445), (5, 399972356), (7, 285694540), (10, 199986178), (14, 142847270), (20, 99993089), (28, 71423635), (35, 57138908), (70, 28569454), (140, 14284727)]