900012010

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{891101}}^1$

素因数の和:891209

約数の個数: 16

約数和(自身を含む): 1636063272

約数和(自身を除く): 736051262

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 891101, 1782202, 4455505, 8911010, 90001201, 180002402, 450006005, 900012010]

約数ペア:

[(1, 900012010), (2, 450006005), (5, 180002402), (10, 90001201), (101, 8911010), (202, 4455505), (505, 1782202), (1010, 891101)]