214722340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1533731}}^1$

素因数の和:1533747

約数の個数: 24

約数和(自身を含む): 515333952

約数和(自身を除く): 300611612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1533731, 3067462, 6134924, 7668655, 10736117, 15337310, 21472234, 30674620, 42944468, 53680585, 107361170, 214722340]

約数ペア:

[(1, 214722340), (2, 107361170), (4, 53680585), (5, 42944468), (7, 30674620), (10, 21472234), (14, 15337310), (20, 10736117), (28, 7668655), (35, 6134924), (70, 3067462), (140, 1533731)]