210278540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{1013}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 450751392

約数和(自身を除く): 240472852

約数列:

[1, 2, 4, 5, 10, 20, 97, 107, 194, 214, 388, 428, 485, 535, 970, 1013, 1070, 1940, 2026, 2140, 4052, 5065, 10130, 10379, 20260, 20758, 41516, 51895, 98261, 103790, 108391, 196522, 207580, 216782, 393044, 433564, 491305, 541955, 982610, 1083910, 1965220, 2167820, 10513927, 21027854, 42055708, 52569635, 105139270, 210278540]

約数ペア:

[(1, 210278540), (2, 105139270), (4, 52569635), (5, 42055708), (10, 21027854), (20, 10513927), (97, 2167820), (107, 1965220), (194, 1083910), (214, 982610), (388, 541955), (428, 491305), (485, 433564), (535, 393044), (970, 216782), (1013, 207580), (1070, 196522), (1940, 108391), (2026, 103790), (2140, 98261), (4052, 51895), (5065, 41516), (10130, 20758), (10379, 20260)]