213523820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227153}}^1$

素因数の和:227209

約数の個数: 24

約数和(自身を含む): 457942464

約数和(自身を除く): 244418644

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 227153, 454306, 908612, 1135765, 2271530, 4543060, 10676191, 21352382, 42704764, 53380955, 106761910, 213523820]

約数ペア:

[(1, 213523820), (2, 106761910), (4, 53380955), (5, 42704764), (10, 21352382), (20, 10676191), (47, 4543060), (94, 2271530), (188, 1135765), (235, 908612), (470, 454306), (940, 227153)]