200980690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{225821}}^1$

素因数の和:225917

約数の個数: 16

約数和(自身を含む): 365831640

約数和(自身を除く): 164850950

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 225821, 451642, 1129105, 2258210, 20098069, 40196138, 100490345, 200980690]

約数ペア:

[(1, 200980690), (2, 100490345), (5, 40196138), (10, 20098069), (89, 2258210), (178, 1129105), (445, 451642), (890, 225821)]