428540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3061}}^1$

素因数の和:3077

約数の個数: 24

約数和(自身を含む): 1028832

約数和(自身を除く): 600292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3061, 6122, 12244, 15305, 21427, 30610, 42854, 61220, 85708, 107135, 214270, 428540]

約数ペア:

[(1, 428540), (2, 214270), (4, 107135), (5, 85708), (7, 61220), (10, 42854), (14, 30610), (20, 21427), (28, 15305), (35, 12244), (70, 6122), (140, 3061)]