490460

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 1043280

約数和(自身を除く): 552820

約数列:

[1, 2, 4, 5, 10, 20, 137, 179, 274, 358, 548, 685, 716, 895, 1370, 1790, 2740, 3580, 24523, 49046, 98092, 122615, 245230, 490460]

約数ペア:

[(1, 490460), (2, 245230), (4, 122615), (5, 98092), (10, 49046), (20, 24523), (137, 3580), (179, 2740), (274, 1790), (358, 1370), (548, 895), (685, 716)]