56817220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149519}}^1$

素因数の和:149547

約数の個数: 24

約数和(自身を含む): 125596800

約数和(自身を除く): 68779580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 149519, 299038, 598076, 747595, 1495190, 2840861, 2990380, 5681722, 11363444, 14204305, 28408610, 56817220]

約数ペア:

[(1, 56817220), (2, 28408610), (4, 14204305), (5, 11363444), (10, 5681722), (19, 2990380), (20, 2840861), (38, 1495190), (76, 747595), (95, 598076), (190, 299038), (380, 149519)]