61404280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219301}}^1$

素因数の和:219319

約数の個数: 32

約数和(自身を含む): 157897440

約数和(自身を除く): 96493160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219301, 438602, 877204, 1096505, 1535107, 1754408, 2193010, 3070214, 4386020, 6140428, 7675535, 8772040, 12280856, 15351070, 30702140, 61404280]

約数ペア:

[(1, 61404280), (2, 30702140), (4, 15351070), (5, 12280856), (7, 8772040), (8, 7675535), (10, 6140428), (14, 4386020), (20, 3070214), (28, 2193010), (35, 1754408), (40, 1535107), (56, 1096505), (70, 877204), (140, 438602), (280, 219301)]