2019927490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4122301}}^1$

素因数の和:4122322

約数の個数: 24

約数和(自身を含む): 4229481852

約数和(自身を除く): 2209554362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4122301, 8244602, 20611505, 28856107, 41223010, 57712214, 144280535, 201992749, 288561070, 403985498, 1009963745, 2019927490]

約数ペア:

[(1, 2019927490), (2, 1009963745), (5, 403985498), (7, 288561070), (10, 201992749), (14, 144280535), (35, 57712214), (49, 41223010), (70, 28856107), (98, 20611505), (245, 8244602), (490, 4122301)]