220123685

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{31379}}^1$

素因数の和:31468

約数の個数: 16

約数和(自身を含む): 280160640

約数和(自身を除く): 60036955

約数列:

[1, 5, 23, 61, 115, 305, 1403, 7015, 31379, 156895, 721717, 1914119, 3608585, 9570595, 44024737, 220123685]

約数ペア:

[(1, 220123685), (5, 44024737), (23, 9570595), (61, 3608585), (115, 1914119), (305, 721717), (1403, 156895), (7015, 31379)]