7217180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21227}}^1$

素因数の和:21253

約数の個数: 24

約数和(自身を含む): 16048368

約数和(自身を除く): 8831188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21227, 42454, 84908, 106135, 212270, 360859, 424540, 721718, 1443436, 1804295, 3608590, 7217180]

約数ペア:

[(1, 7217180), (2, 3608590), (4, 1804295), (5, 1443436), (10, 721718), (17, 424540), (20, 360859), (34, 212270), (68, 106135), (85, 84908), (170, 42454), (340, 21227)]