72709340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19441}}^1$

素因数の和:19478

約数の個数: 48

約数和(自身を含む): 176377824

約数和(自身を除く): 103668484

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 19441, 38882, 77764, 97205, 194410, 213851, 330497, 388820, 427702, 660994, 855404, 1069255, 1321988, 1652485, 2138510, 3304970, 3635467, 4277020, 6609940, 7270934, 14541868, 18177335, 36354670, 72709340]

約数ペア:

[(1, 72709340), (2, 36354670), (4, 18177335), (5, 14541868), (10, 7270934), (11, 6609940), (17, 4277020), (20, 3635467), (22, 3304970), (34, 2138510), (44, 1652485), (55, 1321988), (68, 1069255), (85, 855404), (110, 660994), (170, 427702), (187, 388820), (220, 330497), (340, 213851), (374, 194410), (748, 97205), (935, 77764), (1870, 38882), (3740, 19441)]