9974930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20357}}^1$

素因数の和:20378

約数の個数: 24

約数和(自身を含む): 20887308

約数和(自身を除く): 10912378

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20357, 40714, 101785, 142499, 203570, 284998, 712495, 997493, 1424990, 1994986, 4987465, 9974930]

約数ペア:

[(1, 9974930), (2, 4987465), (5, 1994986), (7, 1424990), (10, 997493), (14, 712495), (35, 284998), (49, 203570), (70, 142499), (98, 101785), (245, 40714), (490, 20357)]