215820080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{385393}}^1$

素因数の和:385413

約数の個数: 40

約数和(自身を含む): 573466272

約数和(自身を除く): 357646192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 385393, 770786, 1541572, 1926965, 2697751, 3083144, 3853930, 5395502, 6166288, 7707860, 10791004, 13488755, 15415720, 21582008, 26977510, 30831440, 43164016, 53955020, 107910040, 215820080]

約数ペア:

[(1, 215820080), (2, 107910040), (4, 53955020), (5, 43164016), (7, 30831440), (8, 26977510), (10, 21582008), (14, 15415720), (16, 13488755), (20, 10791004), (28, 7707860), (35, 6166288), (40, 5395502), (56, 3853930), (70, 3083144), (80, 2697751), (112, 1926965), (140, 1541572), (280, 770786), (560, 385393)]