286210820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2044363}}^1$

素因数の和:2044379

約数の個数: 24

約数和(自身を含む): 686906304

約数和(自身を除く): 400695484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2044363, 4088726, 8177452, 10221815, 14310541, 20443630, 28621082, 40887260, 57242164, 71552705, 143105410, 286210820]

約数ペア:

[(1, 286210820), (2, 143105410), (4, 71552705), (5, 57242164), (7, 40887260), (10, 28621082), (14, 20443630), (20, 14310541), (28, 10221815), (35, 8177452), (70, 4088726), (140, 2044363)]