217020110

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{274709}}^1$

素因数の和:274795

約数の個数: 16

約数和(自身を含む): 395582400

約数和(自身を除く): 178562290

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 274709, 549418, 1373545, 2747090, 21702011, 43404022, 108510055, 217020110]

約数ペア:

[(1, 217020110), (2, 108510055), (5, 43404022), (10, 21702011), (79, 2747090), (158, 1373545), (395, 549418), (790, 274709)]