90210170

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{89317}}^1$

素因数の和:89425

約数の個数: 16

約数和(自身を含む): 163987848

約数和(自身を除く): 73777678

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 89317, 178634, 446585, 893170, 9021017, 18042034, 45105085, 90210170]

約数ペア:

[(1, 90210170), (2, 45105085), (5, 18042034), (10, 9021017), (101, 893170), (202, 446585), (505, 178634), (1010, 89317)]