205718260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{1153}}^1$

素因数の和:1984

約数の個数: 48

約数和(自身を含む): 472272192

約数和(自身を除く): 266553932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 811, 1153, 1622, 2306, 3244, 4055, 4612, 5765, 8110, 8921, 11530, 12683, 16220, 17842, 23060, 25366, 35684, 44605, 50732, 63415, 89210, 126830, 178420, 253660, 935083, 1870166, 3740332, 4675415, 9350830, 10285913, 18701660, 20571826, 41143652, 51429565, 102859130, 205718260]

約数ペア:

[(1, 205718260), (2, 102859130), (4, 51429565), (5, 41143652), (10, 20571826), (11, 18701660), (20, 10285913), (22, 9350830), (44, 4675415), (55, 3740332), (110, 1870166), (220, 935083), (811, 253660), (1153, 178420), (1622, 126830), (2306, 89210), (3244, 63415), (4055, 50732), (4612, 44605), (5765, 35684), (8110, 25366), (8921, 23060), (11530, 17842), (12683, 16220)]