268820020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1920143}}^1$

素因数の和:1920159

約数の個数: 24

約数和(自身を含む): 645168384

約数和(自身を除く): 376348364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1920143, 3840286, 7680572, 9600715, 13441001, 19201430, 26882002, 38402860, 53764004, 67205005, 134410010, 268820020]

約数ペア:

[(1, 268820020), (2, 134410010), (4, 67205005), (5, 53764004), (7, 38402860), (10, 26882002), (14, 19201430), (20, 13441001), (28, 9600715), (35, 7680572), (70, 3840286), (140, 1920143)]