84502780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{59509}}^1$

素因数の和:59589

約数の個数: 24

約数和(自身を含む): 179958240

約数和(自身を除く): 95455460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 59509, 119018, 238036, 297545, 595090, 1190180, 4225139, 8450278, 16900556, 21125695, 42251390, 84502780]

約数ペア:

[(1, 84502780), (2, 42251390), (4, 21125695), (5, 16900556), (10, 8450278), (20, 4225139), (71, 1190180), (142, 595090), (284, 297545), (355, 238036), (710, 119018), (1420, 59509)]