823518620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{27143}}^1$

素因数の和:27230

約数の個数: 48

約数和(自身を含む): 1819516608

約数和(自身を除く): 995997988

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 1517, 3034, 6068, 7585, 15170, 27143, 30340, 54286, 108572, 135715, 271430, 542860, 1004291, 1112863, 2008582, 2225726, 4017164, 4451452, 5021455, 5564315, 10042910, 11128630, 20085820, 22257260, 41175931, 82351862, 164703724, 205879655, 411759310, 823518620]

約数ペア:

[(1, 823518620), (2, 411759310), (4, 205879655), (5, 164703724), (10, 82351862), (20, 41175931), (37, 22257260), (41, 20085820), (74, 11128630), (82, 10042910), (148, 5564315), (164, 5021455), (185, 4451452), (205, 4017164), (370, 2225726), (410, 2008582), (740, 1112863), (820, 1004291), (1517, 542860), (3034, 271430), (6068, 135715), (7585, 108572), (15170, 54286), (27143, 30340)]