172685140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1721}}^1$

素因数の和:1932

約数の個数: 48

約数和(自身を含む): 377531280

約数和(自身を除く): 204846140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 173, 290, 346, 580, 692, 865, 1721, 1730, 3442, 3460, 5017, 6884, 8605, 10034, 17210, 20068, 25085, 34420, 49909, 50170, 99818, 100340, 199636, 249545, 297733, 499090, 595466, 998180, 1190932, 1488665, 2977330, 5954660, 8634257, 17268514, 34537028, 43171285, 86342570, 172685140]

約数ペア:

[(1, 172685140), (2, 86342570), (4, 43171285), (5, 34537028), (10, 17268514), (20, 8634257), (29, 5954660), (58, 2977330), (116, 1488665), (145, 1190932), (173, 998180), (290, 595466), (346, 499090), (580, 297733), (692, 249545), (865, 199636), (1721, 100340), (1730, 99818), (3442, 50170), (3460, 49909), (5017, 34420), (6884, 25085), (8605, 20068), (10034, 17210)]