90301820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{645013}}^1$

素因数の和:645029

約数の個数: 24

約数和(自身を含む): 216724704

約数和(自身を除く): 126422884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 645013, 1290026, 2580052, 3225065, 4515091, 6450130, 9030182, 12900260, 18060364, 22575455, 45150910, 90301820]

約数ペア:

[(1, 90301820), (2, 45150910), (4, 22575455), (5, 18060364), (7, 12900260), (10, 9030182), (14, 6450130), (20, 4515091), (28, 3225065), (35, 2580052), (70, 1290026), (140, 645013)]