426772400

素因数分解:

$2^4\times 5^2\times {\mathrm{1066931}}^1$

素因数の和:1066949

約数の個数: 30

約数和(自身を含む): 1025321652

約数和(自身を除く): 598549252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1066931, 2133862, 4267724, 5334655, 8535448, 10669310, 17070896, 21338620, 26673275, 42677240, 53346550, 85354480, 106693100, 213386200, 426772400]

約数ペア:

[(1, 426772400), (2, 213386200), (4, 106693100), (5, 85354480), (8, 53346550), (10, 42677240), (16, 26673275), (20, 21338620), (25, 17070896), (40, 10669310), (50, 8535448), (80, 5334655), (100, 4267724), (200, 2133862), (400, 1066931)]