674620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 1436400

約数和(自身を除く): 761780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 379, 445, 758, 890, 1516, 1780, 1895, 3790, 7580, 33731, 67462, 134924, 168655, 337310, 674620]

約数ペア:

[(1, 674620), (2, 337310), (4, 168655), (5, 134924), (10, 67462), (20, 33731), (89, 7580), (178, 3790), (356, 1895), (379, 1780), (445, 1516), (758, 890)]