211034260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{620689}}^1$

素因数の和:620715

約数の個数: 24

約数和(自身を含む): 469241640

約数和(自身を除く): 258207380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 620689, 1241378, 2482756, 3103445, 6206890, 10551713, 12413780, 21103426, 42206852, 52758565, 105517130, 211034260]

約数ペア:

[(1, 211034260), (2, 105517130), (4, 52758565), (5, 42206852), (10, 21103426), (17, 12413780), (20, 10551713), (34, 6206890), (68, 3103445), (85, 2482756), (170, 1241378), (340, 620689)]