29897980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{213557}}^1$

素因数の和:213573

約数の個数: 24

約数和(自身を含む): 71755488

約数和(自身を除く): 41857508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 213557, 427114, 854228, 1067785, 1494899, 2135570, 2989798, 4271140, 5979596, 7474495, 14948990, 29897980]

約数ペア:

[(1, 29897980), (2, 14948990), (4, 7474495), (5, 5979596), (7, 4271140), (10, 2989798), (14, 2135570), (20, 1494899), (28, 1067785), (35, 854228), (70, 427114), (140, 213557)]