210002990380

素因数分解:

$2^2\times 5^1\times {\mathrm{10500149519}}^1$

素因数の和:10500149528

約数の個数: 12

約数和(自身を含む): 441006279840

約数和(自身を除く): 231003289460

約数列:

[1, 2, 4, 5, 10, 20, 10500149519, 21000299038, 42000598076, 52500747595, 105001495190, 210002990380]

約数ペア:

[(1, 210002990380), (2, 105001495190), (4, 52500747595), (5, 42000598076), (10, 21000299038), (20, 10500149519)]