67408820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 147547008

約数和(自身を除く): 80138188

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1283, 1420, 2566, 2627, 5132, 5254, 6415, 10508, 12830, 13135, 25660, 26270, 47471, 52540, 91093, 94942, 182186, 189884, 237355, 364372, 455465, 474710, 910930, 949420, 1821860, 3370441, 6740882, 13481764, 16852205, 33704410, 67408820]

約数ペア:

[(1, 67408820), (2, 33704410), (4, 16852205), (5, 13481764), (10, 6740882), (20, 3370441), (37, 1821860), (71, 949420), (74, 910930), (142, 474710), (148, 455465), (185, 364372), (284, 237355), (355, 189884), (370, 182186), (710, 94942), (740, 91093), (1283, 52540), (1420, 47471), (2566, 26270), (2627, 25660), (5132, 13135), (5254, 12830), (6415, 10508)]