9290990

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9199}}^1$

素因数の和:9307

約数の個数: 16

約数和(自身を含む): 16891200

約数和(自身を除く): 7600210

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 9199, 18398, 45995, 91990, 929099, 1858198, 4645495, 9290990]

約数ペア:

[(1, 9290990), (2, 4645495), (5, 1858198), (10, 929099), (101, 91990), (202, 45995), (505, 18398), (1010, 9199)]