42387860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 94261440

約数和(自身を除く): 51873580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 331, 337, 380, 662, 674, 1324, 1348, 1655, 1685, 3310, 3370, 6289, 6403, 6620, 6740, 12578, 12806, 25156, 25612, 31445, 32015, 62890, 64030, 111547, 125780, 128060, 223094, 446188, 557735, 1115470, 2119393, 2230940, 4238786, 8477572, 10596965, 21193930, 42387860]

約数ペア:

[(1, 42387860), (2, 21193930), (4, 10596965), (5, 8477572), (10, 4238786), (19, 2230940), (20, 2119393), (38, 1115470), (76, 557735), (95, 446188), (190, 223094), (331, 128060), (337, 125780), (380, 111547), (662, 64030), (674, 62890), (1324, 32015), (1348, 31445), (1655, 25612), (1685, 25156), (3310, 12806), (3370, 12578), (6289, 6740), (6403, 6620)]