137869721720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1\times {\mathrm{41947}}^1$

素因数の和:42732

約数の個数: 64

約数和(自身を含む): 313140142080

約数和(自身を除く): 175270420360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 647, 1016, 1270, 1294, 2540, 2588, 3235, 5080, 5176, 6470, 12940, 25880, 41947, 82169, 83894, 164338, 167788, 209735, 328676, 335576, 410845, 419470, 657352, 821690, 838940, 1643380, 1677880, 3286760, 5327269, 10654538, 21309076, 26636345, 27139709, 42618152, 53272690, 54279418, 106545380, 108558836, 135698545, 213090760, 217117672, 271397090, 542794180, 1085588360, 3446743043, 6893486086, 13786972172, 17233715215, 27573944344, 34467430430, 68934860860, 137869721720]

約数ペア:

[(1, 137869721720), (2, 68934860860), (4, 34467430430), (5, 27573944344), (8, 17233715215), (10, 13786972172), (20, 6893486086), (40, 3446743043), (127, 1085588360), (254, 542794180), (508, 271397090), (635, 217117672), (647, 213090760), (1016, 135698545), (1270, 108558836), (1294, 106545380), (2540, 54279418), (2588, 53272690), (3235, 42618152), (5080, 27139709), (5176, 26636345), (6470, 21309076), (12940, 10654538), (25880, 5327269), (41947, 3286760), (82169, 1677880), (83894, 1643380), (164338, 838940), (167788, 821690), (209735, 657352), (328676, 419470), (335576, 410845)]