90106690

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{19717}}^1$

素因数の和:20181

約数の個数: 16

約数和(自身を含む): 162555192

約数和(自身を除く): 72448502

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 19717, 39434, 98585, 197170, 9010669, 18021338, 45053345, 90106690]

約数ペア:

[(1, 90106690), (2, 45053345), (5, 18021338), (10, 9010669), (457, 197170), (914, 98585), (2285, 39434), (4570, 19717)]