187133780

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 399228480

約数和(自身を除く): 212094700

約数列:

[1, 2, 4, 5, 10, 20, 137, 163, 274, 326, 419, 548, 652, 685, 815, 838, 1370, 1630, 1676, 2095, 2740, 3260, 4190, 8380, 22331, 44662, 57403, 68297, 89324, 111655, 114806, 136594, 223310, 229612, 273188, 287015, 341485, 446620, 574030, 682970, 1148060, 1365940, 9356689, 18713378, 37426756, 46783445, 93566890, 187133780]

約数ペア:

[(1, 187133780), (2, 93566890), (4, 46783445), (5, 37426756), (10, 18713378), (20, 9356689), (137, 1365940), (163, 1148060), (274, 682970), (326, 574030), (419, 446620), (548, 341485), (652, 287015), (685, 273188), (815, 229612), (838, 223310), (1370, 136594), (1630, 114806), (1676, 111655), (2095, 89324), (2740, 68297), (3260, 57403), (4190, 44662), (8380, 22331)]