203668990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{415651}}^1$

素因数の和:415672

約数の個数: 24

約数和(自身を含む): 426458952

約数和(自身を除く): 222789962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 415651, 831302, 2078255, 2909557, 4156510, 5819114, 14547785, 20366899, 29095570, 40733798, 101834495, 203668990]

約数ペア:

[(1, 203668990), (2, 101834495), (5, 40733798), (7, 29095570), (10, 20366899), (14, 14547785), (35, 5819114), (49, 4156510), (70, 2909557), (98, 2078255), (245, 831302), (490, 415651)]