138857320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 385228800

約数和(自身を除く): 246371480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 86, 95, 133, 140, 152, 172, 190, 215, 266, 280, 301, 344, 380, 430, 532, 602, 607, 665, 760, 817, 860, 1064, 1204, 1214, 1330, 1505, 1634, 1720, 2408, 2428, 2660, 3010, 3035, 3268, 4085, 4249, 4856, 5320, 5719, 6020, 6070, 6536, 8170, 8498, 11438, 11533, 12040, 12140, 16340, 16996, 21245, 22876, 23066, 24280, 26101, 28595, 32680, 33992, 42490, 45752, 46132, 52202, 57190, 57665, 80731, 84980, 92264, 104404, 114380, 115330, 130505, 161462, 169960, 182707, 208808, 228760, 230660, 261010, 322924, 365414, 403655, 461320, 495919, 522020, 645848, 730828, 807310, 913535, 991838, 1044040, 1461656, 1614620, 1827070, 1983676, 2479595, 3229240, 3471433, 3654140, 3967352, 4959190, 6942866, 7308280, 9918380, 13885732, 17357165, 19836760, 27771464, 34714330, 69428660, 138857320]

約数ペア:

[(1, 138857320), (2, 69428660), (4, 34714330), (5, 27771464), (7, 19836760), (8, 17357165), (10, 13885732), (14, 9918380), (19, 7308280), (20, 6942866), (28, 4959190), (35, 3967352), (38, 3654140), (40, 3471433), (43, 3229240), (56, 2479595), (70, 1983676), (76, 1827070), (86, 1614620), (95, 1461656), (133, 1044040), (140, 991838), (152, 913535), (172, 807310), (190, 730828), (215, 645848), (266, 522020), (280, 495919), (301, 461320), (344, 403655), (380, 365414), (430, 322924), (532, 261010), (602, 230660), (607, 228760), (665, 208808), (760, 182707), (817, 169960), (860, 161462), (1064, 130505), (1204, 115330), (1214, 114380), (1330, 104404), (1505, 92264), (1634, 84980), (1720, 80731), (2408, 57665), (2428, 57190), (2660, 52202), (3010, 46132), (3035, 45752), (3268, 42490), (4085, 33992), (4249, 32680), (4856, 28595), (5320, 26101), (5719, 24280), (6020, 23066), (6070, 22876), (6536, 21245), (8170, 16996), (8498, 16340), (11438, 12140), (11533, 12040)]