28448980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203207}}^1$

素因数の和:203223

約数の個数: 24

約数和(自身を含む): 68277888

約数和(自身を除く): 39828908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203207, 406414, 812828, 1016035, 1422449, 2032070, 2844898, 4064140, 5689796, 7112245, 14224490, 28448980]

約数ペア:

[(1, 28448980), (2, 14224490), (4, 7112245), (5, 5689796), (7, 4064140), (10, 2844898), (14, 2032070), (20, 1422449), (28, 1016035), (35, 812828), (70, 406414), (140, 203207)]