405428404

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{680249}}^1$

素因数の和:680402

約数の個数: 12

約数和(自身を含む): 714262500

約数和(自身を除く): 308834096

約数列:

[1, 2, 4, 149, 298, 596, 680249, 1360498, 2720996, 101357101, 202714202, 405428404]

約数ペア:

[(1, 405428404), (2, 202714202), (4, 101357101), (149, 2720996), (298, 1360498), (596, 680249)]