70978040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{253493}}^1$

素因数の和:253511

約数の個数: 32

約数和(自身を含む): 182515680

約数和(自身を除く): 111537640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 253493, 506986, 1013972, 1267465, 1774451, 2027944, 2534930, 3548902, 5069860, 7097804, 8872255, 10139720, 14195608, 17744510, 35489020, 70978040]

約数ペア:

[(1, 70978040), (2, 35489020), (4, 17744510), (5, 14195608), (7, 10139720), (8, 8872255), (10, 7097804), (14, 5069860), (20, 3548902), (28, 2534930), (35, 2027944), (40, 1774451), (56, 1267465), (70, 1013972), (140, 506986), (280, 253493)]