164536780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{222347}}^1$

素因数の和:222393

約数の個数: 24

約数和(自身を含む): 354867408

約数和(自身を除く): 190330628

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 222347, 444694, 889388, 1111735, 2223470, 4446940, 8226839, 16453678, 32907356, 41134195, 82268390, 164536780]

約数ペア:

[(1, 164536780), (2, 82268390), (4, 41134195), (5, 32907356), (10, 16453678), (20, 8226839), (37, 4446940), (74, 2223470), (148, 1111735), (185, 889388), (370, 444694), (740, 222347)]