1945985440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{13681}}^1$

素因数の和:13830

約数の個数: 96

約数和(自身を含む): 5295919104

約数和(自身を除く): 3349933664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 127, 140, 160, 224, 254, 280, 508, 560, 635, 889, 1016, 1120, 1270, 1778, 2032, 2540, 3556, 4064, 4445, 5080, 7112, 8890, 10160, 13681, 14224, 17780, 20320, 27362, 28448, 35560, 54724, 68405, 71120, 95767, 109448, 136810, 142240, 191534, 218896, 273620, 383068, 437792, 478835, 547240, 766136, 957670, 1094480, 1532272, 1737487, 1915340, 2188960, 3064544, 3474974, 3830680, 6949948, 7661360, 8687435, 12162409, 13899896, 15322720, 17374870, 24324818, 27799792, 34749740, 48649636, 55599584, 60812045, 69499480, 97299272, 121624090, 138998960, 194598544, 243248180, 277997920, 389197088, 486496360, 972992720, 1945985440]

約数ペア:

[(1, 1945985440), (2, 972992720), (4, 486496360), (5, 389197088), (7, 277997920), (8, 243248180), (10, 194598544), (14, 138998960), (16, 121624090), (20, 97299272), (28, 69499480), (32, 60812045), (35, 55599584), (40, 48649636), (56, 34749740), (70, 27799792), (80, 24324818), (112, 17374870), (127, 15322720), (140, 13899896), (160, 12162409), (224, 8687435), (254, 7661360), (280, 6949948), (508, 3830680), (560, 3474974), (635, 3064544), (889, 2188960), (1016, 1915340), (1120, 1737487), (1270, 1532272), (1778, 1094480), (2032, 957670), (2540, 766136), (3556, 547240), (4064, 478835), (4445, 437792), (5080, 383068), (7112, 273620), (8890, 218896), (10160, 191534), (13681, 142240), (14224, 136810), (17780, 109448), (20320, 95767), (27362, 71120), (28448, 68405), (35560, 54724)]