495655480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1553}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 1141257600

約数和(自身を除く): 645602120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 202, 316, 395, 404, 505, 632, 790, 808, 1010, 1553, 1580, 2020, 3106, 3160, 4040, 6212, 7765, 7979, 12424, 15530, 15958, 31060, 31916, 39895, 62120, 63832, 79790, 122687, 156853, 159580, 245374, 313706, 319160, 490748, 613435, 627412, 784265, 981496, 1226870, 1254824, 1568530, 2453740, 3137060, 4907480, 6274120, 12391387, 24782774, 49565548, 61956935, 99131096, 123913870, 247827740, 495655480]

約数ペア:

[(1, 495655480), (2, 247827740), (4, 123913870), (5, 99131096), (8, 61956935), (10, 49565548), (20, 24782774), (40, 12391387), (79, 6274120), (101, 4907480), (158, 3137060), (202, 2453740), (316, 1568530), (395, 1254824), (404, 1226870), (505, 981496), (632, 784265), (790, 627412), (808, 613435), (1010, 490748), (1553, 319160), (1580, 313706), (2020, 245374), (3106, 159580), (3160, 156853), (4040, 122687), (6212, 79790), (7765, 63832), (7979, 62120), (12424, 39895), (15530, 31916), (15958, 31060)]