275885680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{70379}}^1$

素因数の和:70406

約数の個数: 60

約数和(自身を含む): 746168760

約数和(自身を除く): 470283080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 70379, 140758, 281516, 351895, 492653, 563032, 703790, 985306, 1126064, 1407580, 1970612, 2463265, 2815160, 3448571, 3941224, 4926530, 5630320, 6897142, 7882448, 9853060, 13794284, 17242855, 19706120, 27588568, 34485710, 39412240, 55177136, 68971420, 137942840, 275885680]

約数ペア:

[(1, 275885680), (2, 137942840), (4, 68971420), (5, 55177136), (7, 39412240), (8, 34485710), (10, 27588568), (14, 19706120), (16, 17242855), (20, 13794284), (28, 9853060), (35, 7882448), (40, 6897142), (49, 5630320), (56, 4926530), (70, 3941224), (80, 3448571), (98, 2815160), (112, 2463265), (140, 1970612), (196, 1407580), (245, 1126064), (280, 985306), (392, 703790), (490, 563032), (560, 492653), (784, 351895), (980, 281516), (1960, 140758), (3920, 70379)]