223823620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{1021}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 479546928

約数和(自身を除く): 255723308

約数列:

[1, 2, 4, 5, 10, 20, 97, 113, 194, 226, 388, 452, 485, 565, 970, 1021, 1130, 1940, 2042, 2260, 4084, 5105, 10210, 10961, 20420, 21922, 43844, 54805, 99037, 109610, 115373, 198074, 219220, 230746, 396148, 461492, 495185, 576865, 990370, 1153730, 1980740, 2307460, 11191181, 22382362, 44764724, 55955905, 111911810, 223823620]

約数ペア:

[(1, 223823620), (2, 111911810), (4, 55955905), (5, 44764724), (10, 22382362), (20, 11191181), (97, 2307460), (113, 1980740), (194, 1153730), (226, 990370), (388, 576865), (452, 495185), (485, 461492), (565, 396148), (970, 230746), (1021, 219220), (1130, 198074), (1940, 115373), (2042, 109610), (2260, 99037), (4084, 54805), (5105, 43844), (10210, 21922), (10961, 20420)]