9947980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{10151}}^1$

素因数の和:10174

約数の個数: 36

約数和(自身を含む): 24303888

約数和(自身を除く): 14355908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 10151, 20302, 40604, 50755, 71057, 101510, 142114, 203020, 284228, 355285, 497399, 710570, 994798, 1421140, 1989596, 2486995, 4973990, 9947980]

約数ペア:

[(1, 9947980), (2, 4973990), (4, 2486995), (5, 1989596), (7, 1421140), (10, 994798), (14, 710570), (20, 497399), (28, 355285), (35, 284228), (49, 203020), (70, 142114), (98, 101510), (140, 71057), (196, 50755), (245, 40604), (490, 20302), (980, 10151)]