290741360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39937}}^1$

素因数の和:39970

約数の個数: 80

約数和(自身を含む): 831988416

約数和(自身を除く): 541247056

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 39937, 79874, 159748, 199685, 279559, 319496, 399370, 519181, 559118, 638992, 798740, 1038362, 1118236, 1397795, 1597480, 2076724, 2236472, 2595905, 2795590, 3194960, 3634267, 4153448, 4472944, 5191810, 5591180, 7268534, 8306896, 10383620, 11182360, 14537068, 18171335, 20767240, 22364720, 29074136, 36342670, 41534480, 58148272, 72685340, 145370680, 290741360]

約数ペア:

[(1, 290741360), (2, 145370680), (4, 72685340), (5, 58148272), (7, 41534480), (8, 36342670), (10, 29074136), (13, 22364720), (14, 20767240), (16, 18171335), (20, 14537068), (26, 11182360), (28, 10383620), (35, 8306896), (40, 7268534), (52, 5591180), (56, 5191810), (65, 4472944), (70, 4153448), (80, 3634267), (91, 3194960), (104, 2795590), (112, 2595905), (130, 2236472), (140, 2076724), (182, 1597480), (208, 1397795), (260, 1118236), (280, 1038362), (364, 798740), (455, 638992), (520, 559118), (560, 519181), (728, 399370), (910, 319496), (1040, 279559), (1456, 199685), (1820, 159748), (3640, 79874), (7280, 39937)]