68848218.000000000

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{33749}}^1$

素因数の和:33863

約数の個数: 32

約数和(自身を含む): 315900000

約数和(自身を除く): 176854120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 33749, 67498, 134996, 168745, 269992, 337490, 674980, 1349960, 3476147, 6952294, 13904588, 17380735, 27809176, 34761470, 69522940, 139045880]

約数ペア:

[(1, 139045880), (2, 69522940), (4, 34761470), (5, 27809176), (8, 17380735), (10, 13904588), (20, 6952294), (40, 3476147), (103, 1349960), (206, 674980), (412, 337490), (515, 269992), (824, 168745), (1030, 134996), (2060, 67498), (4120, 33749)]