680464

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:678

約数の個数: 20

約数和(自身を含む): 1339200

約数和(自身を除く): 658736

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 599, 1136, 1198, 2396, 4792, 9584, 42529, 85058, 170116, 340232, 680464]

約数ペア:

[(1, 680464), (2, 340232), (4, 170116), (8, 85058), (16, 42529), (71, 9584), (142, 4792), (284, 2396), (568, 1198), (599, 1136)]