201943480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 468879840

約数和(自身を除く): 266936360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 274, 344, 430, 548, 685, 857, 860, 1096, 1370, 1714, 1720, 2740, 3428, 4285, 5480, 5891, 6856, 8570, 11782, 17140, 23564, 29455, 34280, 36851, 47128, 58910, 73702, 117409, 117820, 147404, 184255, 234818, 235640, 294808, 368510, 469636, 587045, 737020, 939272, 1174090, 1474040, 2348180, 4696360, 5048587, 10097174, 20194348, 25242935, 40388696, 50485870, 100971740, 201943480]

約数ペア:

[(1, 201943480), (2, 100971740), (4, 50485870), (5, 40388696), (8, 25242935), (10, 20194348), (20, 10097174), (40, 5048587), (43, 4696360), (86, 2348180), (137, 1474040), (172, 1174090), (215, 939272), (274, 737020), (344, 587045), (430, 469636), (548, 368510), (685, 294808), (857, 235640), (860, 234818), (1096, 184255), (1370, 147404), (1714, 117820), (1720, 117409), (2740, 73702), (3428, 58910), (4285, 47128), (5480, 36851), (5891, 34280), (6856, 29455), (8570, 23564), (11782, 17140)]