9793703990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19987151}}^1$

素因数の和:19987172

約数の個数: 24

約数和(自身を含む): 20506817952

約数和(自身を除く): 10713113962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 19987151, 39974302, 99935755, 139910057, 199871510, 279820114, 699550285, 979370399, 1399100570, 1958740798, 4896851995, 9793703990]

約数ペア:

[(1, 9793703990), (2, 4896851995), (5, 1958740798), (7, 1399100570), (10, 979370399), (14, 699550285), (35, 279820114), (49, 199871510), (70, 139910057), (98, 99935755), (245, 39974302), (490, 19987151)]