2989235920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{91807}}^1$

素因数の和:91868

約数の個数: 80

約数和(自身を含む): 7786787328

約数和(自身を除く): 4797551408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2960, 3256, 4070, 6512, 8140, 16280, 32560, 91807, 183614, 367228, 459035, 734456, 918070, 1009877, 1468912, 1836140, 2019754, 3396859, 3672280, 4039508, 5049385, 6793718, 7344560, 8079016, 10098770, 13587436, 16158032, 16984295, 20197540, 27174872, 33968590, 37365449, 40395080, 54349744, 67937180, 74730898, 80790160, 135874360, 149461796, 186827245, 271748720, 298923592, 373654490, 597847184, 747308980, 1494617960, 2989235920]

約数ペア:

[(1, 2989235920), (2, 1494617960), (4, 747308980), (5, 597847184), (8, 373654490), (10, 298923592), (11, 271748720), (16, 186827245), (20, 149461796), (22, 135874360), (37, 80790160), (40, 74730898), (44, 67937180), (55, 54349744), (74, 40395080), (80, 37365449), (88, 33968590), (110, 27174872), (148, 20197540), (176, 16984295), (185, 16158032), (220, 13587436), (296, 10098770), (370, 8079016), (407, 7344560), (440, 6793718), (592, 5049385), (740, 4039508), (814, 3672280), (880, 3396859), (1480, 2019754), (1628, 1836140), (2035, 1468912), (2960, 1009877), (3256, 918070), (4070, 734456), (6512, 459035), (8140, 367228), (16280, 183614), (32560, 91807)]