429778820

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{81707}}^1$

素因数の和:81979

約数の個数: 24

約数和(自身を含む): 905978304

約数和(自身を除く): 476199484

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 81707, 163414, 326828, 408535, 817070, 1634140, 21488941, 42977882, 85955764, 107444705, 214889410, 429778820]

約数ペア:

[(1, 429778820), (2, 214889410), (4, 107444705), (5, 85955764), (10, 42977882), (20, 21488941), (263, 1634140), (526, 817070), (1052, 408535), (1315, 326828), (2630, 163414), (5260, 81707)]