840270136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{117619}}^1$

素因数の和:117691

約数の個数: 32

約数和(自身を含む): 1693728000

約数和(自身を除く): 853457864

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3572, 7144, 117619, 235238, 470476, 940952, 2234761, 4469522, 5528093, 8939044, 11056186, 17878088, 22112372, 44224744, 105033767, 210067534, 420135068, 840270136]

約数ペア:

[(1, 840270136), (2, 420135068), (4, 210067534), (8, 105033767), (19, 44224744), (38, 22112372), (47, 17878088), (76, 11056186), (94, 8939044), (152, 5528093), (188, 4469522), (376, 2234761), (893, 940952), (1786, 470476), (3572, 235238), (7144, 117619)]