200784890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{225601}}^1$

素因数の和:225697

約数の個数: 16

約数和(自身を含む): 365475240

約数和(自身を除く): 164690350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 225601, 451202, 1128005, 2256010, 20078489, 40156978, 100392445, 200784890]

約数ペア:

[(1, 200784890), (2, 100392445), (5, 40156978), (10, 20078489), (89, 2256010), (178, 1128005), (445, 451202), (890, 225601)]