201919690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{412081}}^1$

素因数の和:412102

約数の個数: 24

約数和(自身を含む): 422796132

約数和(自身を除く): 220876442

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 412081, 824162, 2060405, 2884567, 4120810, 5769134, 14422835, 20191969, 28845670, 40383938, 100959845, 201919690]

約数ペア:

[(1, 201919690), (2, 100959845), (5, 40383938), (7, 28845670), (10, 20191969), (14, 14422835), (35, 5769134), (49, 4120810), (70, 2884567), (98, 2060405), (245, 824162), (490, 412081)]