2558366930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{5221157}}^1$

素因数の和:5221178

約数の個数: 24

約数和(自身を含む): 5356908108

約数和(自身を除く): 2798541178

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 5221157, 10442314, 26105785, 36548099, 52211570, 73096198, 182740495, 255836693, 365480990, 511673386, 1279183465, 2558366930]

約数ペア:

[(1, 2558366930), (2, 1279183465), (5, 511673386), (7, 365480990), (10, 255836693), (14, 182740495), (35, 73096198), (49, 52211570), (70, 36548099), (98, 26105785), (245, 10442314), (490, 5221157)]