64745380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462467}}^1$

素因数の和:462483

約数の個数: 24

約数和(自身を含む): 155389248

約数和(自身を除く): 90643868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462467, 924934, 1849868, 2312335, 3237269, 4624670, 6474538, 9249340, 12949076, 16186345, 32372690, 64745380]

約数ペア:

[(1, 64745380), (2, 32372690), (4, 16186345), (5, 12949076), (7, 9249340), (10, 6474538), (14, 4624670), (20, 3237269), (28, 2312335), (35, 1849868), (70, 924934), (140, 462467)]