27973820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199813}}^1$

素因数の和:199829

約数の個数: 24

約数和(自身を含む): 67137504

約数和(自身を除く): 39163684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199813, 399626, 799252, 999065, 1398691, 1998130, 2797382, 3996260, 5594764, 6993455, 13986910, 27973820]

約数ペア:

[(1, 27973820), (2, 13986910), (4, 6993455), (5, 5594764), (7, 3996260), (10, 2797382), (14, 1998130), (20, 1398691), (28, 999065), (35, 799252), (70, 399626), (140, 199813)]