242804140

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{17123}}^1$

素因数の和:17841

約数の個数: 24

約数和(自身を含む): 510637680

約数和(自身を除く): 267833540

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 7090, 14180, 17123, 34246, 68492, 85615, 171230, 342460, 12140207, 24280414, 48560828, 60701035, 121402070, 242804140]

約数ペア:

[(1, 242804140), (2, 121402070), (4, 60701035), (5, 48560828), (10, 24280414), (20, 12140207), (709, 342460), (1418, 171230), (2836, 85615), (3545, 68492), (7090, 34246), (14180, 17123)]