8661140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 19126800

約数和(自身を除く): 10465660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 137, 145, 218, 274, 290, 436, 545, 548, 580, 685, 1090, 1370, 2180, 2740, 3161, 3973, 6322, 7946, 12644, 14933, 15805, 15892, 19865, 29866, 31610, 39730, 59732, 63220, 74665, 79460, 149330, 298660, 433057, 866114, 1732228, 2165285, 4330570, 8661140]

約数ペア:

[(1, 8661140), (2, 4330570), (4, 2165285), (5, 1732228), (10, 866114), (20, 433057), (29, 298660), (58, 149330), (109, 79460), (116, 74665), (137, 63220), (145, 59732), (218, 39730), (274, 31610), (290, 29866), (436, 19865), (545, 15892), (548, 15805), (580, 14933), (685, 12644), (1090, 7946), (1370, 6322), (2180, 3973), (2740, 3161)]