40145210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{81929}}^1$

素因数の和:81950

約数の個数: 24

約数和(自身を含む): 84060180

約数和(自身を除く): 43914970

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 81929, 163858, 409645, 573503, 819290, 1147006, 2867515, 4014521, 5735030, 8029042, 20072605, 40145210]

約数ペア:

[(1, 40145210), (2, 20072605), (5, 8029042), (7, 5735030), (10, 4014521), (14, 2867515), (35, 1147006), (49, 819290), (70, 573503), (98, 409645), (245, 163858), (490, 81929)]