277492040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{991043}}^1$

素因数の和:991061

約数の個数: 32

約数和(自身を含む): 713551680

約数和(自身を除く): 436059640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 991043, 1982086, 3964172, 4955215, 6937301, 7928344, 9910430, 13874602, 19820860, 27749204, 34686505, 39641720, 55498408, 69373010, 138746020, 277492040]

約数ペア:

[(1, 277492040), (2, 138746020), (4, 69373010), (5, 55498408), (7, 39641720), (8, 34686505), (10, 27749204), (14, 19820860), (20, 13874602), (28, 9910430), (35, 7928344), (40, 6937301), (56, 4955215), (70, 3964172), (140, 1982086), (280, 991043)]