2557202390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{2027}}^1$

素因数の和:2273

約数の個数: 64

約数和(自身を含む): 5022658368

約数和(自身を除く): 2465455978

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 181, 205, 362, 410, 697, 905, 1394, 1810, 2027, 3077, 3485, 4054, 6154, 6970, 7421, 10135, 14842, 15385, 20270, 30770, 34459, 37105, 68918, 74210, 83107, 126157, 166214, 172295, 252314, 344590, 366887, 415535, 630785, 733774, 831070, 1261570, 1412819, 1834435, 2825638, 3668870, 6237079, 7064095, 12474158, 14128190, 15042367, 30084734, 31185395, 62370790, 75211835, 150423670, 255720239, 511440478, 1278601195, 2557202390]

約数ペア:

[(1, 2557202390), (2, 1278601195), (5, 511440478), (10, 255720239), (17, 150423670), (34, 75211835), (41, 62370790), (82, 31185395), (85, 30084734), (170, 15042367), (181, 14128190), (205, 12474158), (362, 7064095), (410, 6237079), (697, 3668870), (905, 2825638), (1394, 1834435), (1810, 1412819), (2027, 1261570), (3077, 831070), (3485, 733774), (4054, 630785), (6154, 415535), (6970, 366887), (7421, 344590), (10135, 252314), (14842, 172295), (15385, 166214), (20270, 126157), (30770, 83107), (34459, 74210), (37105, 68918)]