290422460

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{14653}}^1$

素因数の和:15653

約数の個数: 24

約数和(自身を含む): 610544256

約数和(自身を除く): 320121796

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 14653, 19820, 29306, 58612, 73265, 146530, 293060, 14521123, 29042246, 58084492, 72605615, 145211230, 290422460]

約数ペア:

[(1, 290422460), (2, 145211230), (4, 72605615), (5, 58084492), (10, 29042246), (20, 14521123), (991, 293060), (1982, 146530), (3964, 73265), (4955, 58612), (9910, 29306), (14653, 19820)]