198168500

素因数分解:

$2^2\times 5^3\times {\mathrm{307}}^1\times {\mathrm{1291}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 434546112

約数和(自身を除く): 236377612

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 307, 500, 614, 1228, 1291, 1535, 2582, 3070, 5164, 6140, 6455, 7675, 12910, 15350, 25820, 30700, 32275, 38375, 64550, 76750, 129100, 153500, 161375, 322750, 396337, 645500, 792674, 1585348, 1981685, 3963370, 7926740, 9908425, 19816850, 39633700, 49542125, 99084250, 198168500]

約数ペア:

[(1, 198168500), (2, 99084250), (4, 49542125), (5, 39633700), (10, 19816850), (20, 9908425), (25, 7926740), (50, 3963370), (100, 1981685), (125, 1585348), (250, 792674), (307, 645500), (500, 396337), (614, 322750), (1228, 161375), (1291, 153500), (1535, 129100), (2582, 76750), (3070, 64550), (5164, 38375), (6140, 32275), (6455, 30700), (7675, 25820), (12910, 15350)]