70280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 181440

約数和(自身を除く): 111160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 1004, 1255, 1757, 2008, 2510, 3514, 5020, 7028, 8785, 10040, 14056, 17570, 35140, 70280]

約数ペア:

[(1, 70280), (2, 35140), (4, 17570), (5, 14056), (7, 10040), (8, 8785), (10, 7028), (14, 5020), (20, 3514), (28, 2510), (35, 2008), (40, 1757), (56, 1255), (70, 1004), (140, 502), (251, 280)]