217213250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{51109}}^1$

素因数の和:51143

約数の個数: 32

約数和(自身を含む): 430550640

約数和(自身を除く): 213337390

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 51109, 102218, 255545, 511090, 868853, 1277725, 1737706, 2555450, 4344265, 6388625, 8688530, 12777250, 21721325, 43442650, 108606625, 217213250]

約数ペア:

[(1, 217213250), (2, 108606625), (5, 43442650), (10, 21721325), (17, 12777250), (25, 8688530), (34, 6388625), (50, 4344265), (85, 2555450), (125, 1737706), (170, 1277725), (250, 868853), (425, 511090), (850, 255545), (2125, 102218), (4250, 51109)]