357156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{3943}}^1$

素因数の和:4606

約数の個数: 48

約数和(自身を含む): 858719232

約数和(自身を除く): 501562292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 1294, 2588, 3235, 3943, 4529, 6470, 7886, 9058, 12940, 15772, 18116, 19715, 22645, 27601, 39430, 45290, 55202, 78860, 90580, 110404, 138005, 276010, 552020, 2551121, 5102242, 10204484, 12755605, 17857847, 25511210, 35715694, 51022420, 71431388, 89289235, 178578470, 357156940]

約数ペア:

[(1, 357156940), (2, 178578470), (4, 89289235), (5, 71431388), (7, 51022420), (10, 35715694), (14, 25511210), (20, 17857847), (28, 12755605), (35, 10204484), (70, 5102242), (140, 2551121), (647, 552020), (1294, 276010), (2588, 138005), (3235, 110404), (3943, 90580), (4529, 78860), (6470, 55202), (7886, 45290), (9058, 39430), (12940, 27601), (15772, 22645), (18116, 19715)]