27845860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198899}}^1$

素因数の和:198915

約数の個数: 24

約数和(自身を含む): 66830400

約数和(自身を除く): 38984540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198899, 397798, 795596, 994495, 1392293, 1988990, 2784586, 3977980, 5569172, 6961465, 13922930, 27845860]

約数ペア:

[(1, 27845860), (2, 13922930), (4, 6961465), (5, 5569172), (7, 3977980), (10, 2784586), (14, 1988990), (20, 1392293), (28, 994495), (35, 795596), (70, 397798), (140, 198899)]