200817860

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{50969}}^1$

素因数の和:51175

約数の個数: 24

約数和(自身を含む): 423866520

約数和(自身を除く): 223048660

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 50969, 101938, 203876, 254845, 509690, 1019380, 10040893, 20081786, 40163572, 50204465, 100408930, 200817860]

約数ペア:

[(1, 200817860), (2, 100408930), (4, 50204465), (5, 40163572), (10, 20081786), (20, 10040893), (197, 1019380), (394, 509690), (788, 254845), (985, 203876), (1970, 101938), (3940, 50969)]