492030020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{179573}}^1$

素因数の和:179719

約数の個数: 24

約数和(自身を含む): 1040810904

約数和(自身を除く): 548780884

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 179573, 359146, 718292, 897865, 1795730, 3591460, 24601501, 49203002, 98406004, 123007505, 246015010, 492030020]

約数ペア:

[(1, 492030020), (2, 246015010), (4, 123007505), (5, 98406004), (10, 49203002), (20, 24601501), (137, 3591460), (274, 1795730), (548, 897865), (685, 718292), (1370, 359146), (2740, 179573)]