851909870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2131}}^1\times {\mathrm{5711}}^1$

素因数の和:7856

約数の個数: 32

約数和(自身を含む): 1753629696

約数和(自身を除く): 901719826

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2131, 4262, 5711, 10655, 11422, 14917, 21310, 28555, 29834, 39977, 57110, 74585, 79954, 149170, 199885, 399770, 12170141, 24340282, 60850705, 85190987, 121701410, 170381974, 425954935, 851909870]

約数ペア:

[(1, 851909870), (2, 425954935), (5, 170381974), (7, 121701410), (10, 85190987), (14, 60850705), (35, 24340282), (70, 12170141), (2131, 399770), (4262, 199885), (5711, 149170), (10655, 79954), (11422, 74585), (14917, 57110), (21310, 39977), (28555, 29834)]