84197800

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{2137}}^1$

素因数の和:2350

約数の個数: 48

約数和(自身を含む): 196845660

約数和(自身を除く): 112647860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1970, 2137, 3940, 4274, 4925, 7880, 8548, 9850, 10685, 17096, 19700, 21370, 39400, 42740, 53425, 85480, 106850, 213700, 420989, 427400, 841978, 1683956, 2104945, 3367912, 4209890, 8419780, 10524725, 16839560, 21049450, 42098900, 84197800]

約数ペア:

[(1, 84197800), (2, 42098900), (4, 21049450), (5, 16839560), (8, 10524725), (10, 8419780), (20, 4209890), (25, 3367912), (40, 2104945), (50, 1683956), (100, 841978), (197, 427400), (200, 420989), (394, 213700), (788, 106850), (985, 85480), (1576, 53425), (1970, 42740), (2137, 39400), (3940, 21370), (4274, 19700), (4925, 17096), (7880, 10685), (8548, 9850)]