680801050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{152989}}^1$

素因数の和:153090

約数の個数: 24

約数和(自身を含む): 1280526300

約数和(自身を除く): 599725250

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 152989, 305978, 764945, 1529890, 3824725, 7649450, 13616021, 27232042, 68080105, 136160210, 340400525, 680801050]

約数ペア:

[(1, 680801050), (2, 340400525), (5, 136160210), (10, 68080105), (25, 27232042), (50, 13616021), (89, 7649450), (178, 3824725), (445, 1529890), (890, 764945), (2225, 305978), (4450, 152989)]