84002780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{247067}}^1$

素因数の和:247093

約数の個数: 24

約数和(自身を含む): 186783408

約数和(自身を除く): 102780628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 247067, 494134, 988268, 1235335, 2470670, 4200139, 4941340, 8400278, 16800556, 21000695, 42001390, 84002780]

約数ペア:

[(1, 84002780), (2, 42001390), (4, 21000695), (5, 16800556), (10, 8400278), (17, 4941340), (20, 4200139), (34, 2470670), (68, 1235335), (85, 988268), (170, 494134), (340, 247067)]