201921830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79811}}^1$

素因数の和:79852

約数の個数: 32

約数和(自身を含む): 413745408

約数和(自身を除く): 211823578

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 79811, 159622, 399055, 798110, 877921, 1755842, 1835653, 3671306, 4389605, 8779210, 9178265, 18356530, 20192183, 40384366, 100960915, 201921830]

約数ペア:

[(1, 201921830), (2, 100960915), (5, 40384366), (10, 20192183), (11, 18356530), (22, 9178265), (23, 8779210), (46, 4389605), (55, 3671306), (110, 1835653), (115, 1755842), (230, 877921), (253, 798110), (506, 399055), (1265, 159622), (2530, 79811)]