42107900

素因数分解:

$2^2\times 5^2\times {\mathrm{421079}}^1$

素因数の和:421093

約数の個数: 18

約数和(自身を含む): 91374360

約数和(自身を除く): 49266460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421079, 842158, 1684316, 2105395, 4210790, 8421580, 10526975, 21053950, 42107900]

約数ペア:

[(1, 42107900), (2, 21053950), (4, 10526975), (5, 8421580), (10, 4210790), (20, 2105395), (25, 1684316), (50, 842158), (100, 421079)]