85797820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^2$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 195848352

約数和(自身を除く): 110050532

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 71, 74, 92, 115, 142, 148, 185, 230, 284, 355, 370, 460, 710, 740, 851, 1420, 1633, 1702, 2627, 3266, 3404, 4255, 5041, 5254, 6532, 8165, 8510, 10082, 10508, 13135, 16330, 17020, 20164, 25205, 26270, 32660, 50410, 52540, 60421, 100820, 115943, 120842, 186517, 231886, 241684, 302105, 373034, 463772, 579715, 604210, 746068, 932585, 1159430, 1208420, 1865170, 2318860, 3730340, 4289891, 8579782, 17159564, 21449455, 42898910, 85797820]

約数ペア:

[(1, 85797820), (2, 42898910), (4, 21449455), (5, 17159564), (10, 8579782), (20, 4289891), (23, 3730340), (37, 2318860), (46, 1865170), (71, 1208420), (74, 1159430), (92, 932585), (115, 746068), (142, 604210), (148, 579715), (185, 463772), (230, 373034), (284, 302105), (355, 241684), (370, 231886), (460, 186517), (710, 120842), (740, 115943), (851, 100820), (1420, 60421), (1633, 52540), (1702, 50410), (2627, 32660), (3266, 26270), (3404, 25205), (4255, 20164), (5041, 17020), (5254, 16330), (6532, 13135), (8165, 10508), (8510, 10082)]