29846980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21019}}^1$

素因数の和:21099

約数の個数: 24

約数和(自身を含む): 63564480

約数和(自身を除く): 33717500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21019, 42038, 84076, 105095, 210190, 420380, 1492349, 2984698, 5969396, 7461745, 14923490, 29846980]

約数ペア:

[(1, 29846980), (2, 14923490), (4, 7461745), (5, 5969396), (10, 2984698), (20, 1492349), (71, 420380), (142, 210190), (284, 105095), (355, 84076), (710, 42038), (1420, 21019)]