61298440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{218923}}^1$

素因数の和:218941

約数の個数: 32

約数和(自身を含む): 157625280

約数和(自身を除く): 96326840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 218923, 437846, 875692, 1094615, 1532461, 1751384, 2189230, 3064922, 4378460, 6129844, 7662305, 8756920, 12259688, 15324610, 30649220, 61298440]

約数ペア:

[(1, 61298440), (2, 30649220), (4, 15324610), (5, 12259688), (7, 8756920), (8, 7662305), (10, 6129844), (14, 4378460), (20, 3064922), (28, 2189230), (35, 1751384), (40, 1532461), (56, 1094615), (70, 875692), (140, 437846), (280, 218923)]