390710

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:535

約数の個数: 16

約数和(自身を含む): 712800

約数和(自身を除く): 322090

約数列:

[1, 2, 5, 10, 89, 178, 439, 445, 878, 890, 2195, 4390, 39071, 78142, 195355, 390710]

約数ペア:

[(1, 390710), (2, 195355), (5, 78142), (10, 39071), (89, 4390), (178, 2195), (439, 890), (445, 878)]