55634740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{991}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 133991424

約数和(自身を除く): 78356684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 991, 1604, 1982, 2005, 2807, 3964, 4010, 4955, 5614, 6937, 8020, 9910, 11228, 13874, 14035, 19820, 27748, 28070, 34685, 56140, 69370, 138740, 397391, 794782, 1589564, 1986955, 2781737, 3973910, 5563474, 7947820, 11126948, 13908685, 27817370, 55634740]

約数ペア:

[(1, 55634740), (2, 27817370), (4, 13908685), (5, 11126948), (7, 7947820), (10, 5563474), (14, 3973910), (20, 2781737), (28, 1986955), (35, 1589564), (70, 794782), (140, 397391), (401, 138740), (802, 69370), (991, 56140), (1604, 34685), (1982, 28070), (2005, 27748), (2807, 19820), (3964, 14035), (4010, 13874), (4955, 11228), (5614, 9910), (6937, 8020)]