73422220

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{20509}}^1$

素因数の和:20697

約数の個数: 24

約数和(自身を含む): 155055600

約数和(自身を除く): 81633380

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 20509, 41018, 82036, 102545, 205090, 410180, 3671111, 7342222, 14684444, 18355555, 36711110, 73422220]

約数ペア:

[(1, 73422220), (2, 36711110), (4, 18355555), (5, 14684444), (10, 7342222), (20, 3671111), (179, 410180), (358, 205090), (716, 102545), (895, 82036), (1790, 41018), (3580, 20509)]