427450

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 24

約数和(自身を含む): 812448

約数和(自身を除く): 384998

約数列:

[1, 2, 5, 10, 25, 50, 83, 103, 166, 206, 415, 515, 830, 1030, 2075, 2575, 4150, 5150, 8549, 17098, 42745, 85490, 213725, 427450]

約数ペア:

[(1, 427450), (2, 213725), (5, 85490), (10, 42745), (25, 17098), (50, 8549), (83, 5150), (103, 4150), (166, 2575), (206, 2075), (415, 1030), (515, 830)]