70390040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251393}}^1$

素因数の和:251411

約数の個数: 32

約数和(自身を含む): 181003680

約数和(自身を除く): 110613640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 251393, 502786, 1005572, 1256965, 1759751, 2011144, 2513930, 3519502, 5027860, 7039004, 8798755, 10055720, 14078008, 17597510, 35195020, 70390040]

約数ペア:

[(1, 70390040), (2, 35195020), (4, 17597510), (5, 14078008), (7, 10055720), (8, 8798755), (10, 7039004), (14, 5027860), (20, 3519502), (28, 2513930), (35, 2011144), (40, 1759751), (56, 1256965), (70, 1005572), (140, 502786), (280, 251393)]