29120420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{208003}}^1$

素因数の和:208019

約数の個数: 24

約数和(自身を含む): 69889344

約数和(自身を除く): 40768924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 208003, 416006, 832012, 1040015, 1456021, 2080030, 2912042, 4160060, 5824084, 7280105, 14560210, 29120420]

約数ペア:

[(1, 29120420), (2, 14560210), (4, 7280105), (5, 5824084), (7, 4160060), (10, 2912042), (14, 2080030), (20, 1456021), (28, 1040015), (35, 832012), (70, 416006), (140, 208003)]