9897020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{10099}}^1$

素因数の和:10122

約数の個数: 36

約数和(自身を含む): 24179400

約数和(自身を除く): 14282380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 10099, 20198, 40396, 50495, 70693, 100990, 141386, 201980, 282772, 353465, 494851, 706930, 989702, 1413860, 1979404, 2474255, 4948510, 9897020]

約数ペア:

[(1, 9897020), (2, 4948510), (4, 2474255), (5, 1979404), (7, 1413860), (10, 989702), (14, 706930), (20, 494851), (28, 353465), (35, 282772), (49, 201980), (70, 141386), (98, 100990), (140, 70693), (196, 50495), (245, 40396), (490, 20198), (980, 10099)]