213599240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{75211}}^1$

素因数の和:75293

約数の個数: 32

約数和(自身を含む): 487373760

約数和(自身を除く): 273774520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 75211, 150422, 300844, 376055, 601688, 752110, 1504220, 3008440, 5339981, 10679962, 21359924, 26699905, 42719848, 53399810, 106799620, 213599240]

約数ペア:

[(1, 213599240), (2, 106799620), (4, 53399810), (5, 42719848), (8, 26699905), (10, 21359924), (20, 10679962), (40, 5339981), (71, 3008440), (142, 1504220), (284, 752110), (355, 601688), (568, 376055), (710, 300844), (1420, 150422), (2840, 75211)]