68423980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{201247}}^1$

素因数の和:201273

約数の個数: 24

約数和(自身を含む): 152143488

約数和(自身を除く): 83719508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 201247, 402494, 804988, 1006235, 2012470, 3421199, 4024940, 6842398, 13684796, 17105995, 34211990, 68423980]

約数ペア:

[(1, 68423980), (2, 34211990), (4, 17105995), (5, 13684796), (10, 6842398), (17, 4024940), (20, 3421199), (34, 2012470), (68, 1006235), (85, 804988), (170, 402494), (340, 201247)]