205127740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{4643}}^1$

素因数の和:4746

約数の個数: 36

約数和(自身を含む): 440223336

約数和(自身を除く): 235095596

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2209, 4418, 4643, 8836, 9286, 11045, 18572, 22090, 23215, 44180, 46430, 92860, 218221, 436442, 872884, 1091105, 2182210, 4364420, 10256387, 20512774, 41025548, 51281935, 102563870, 205127740]

約数ペア:

[(1, 205127740), (2, 102563870), (4, 51281935), (5, 41025548), (10, 20512774), (20, 10256387), (47, 4364420), (94, 2182210), (188, 1091105), (235, 872884), (470, 436442), (940, 218221), (2209, 92860), (4418, 46430), (4643, 44180), (8836, 23215), (9286, 22090), (11045, 18572)]