317881480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1135291}}^1$

素因数の和:1135309

約数の個数: 32

約数和(自身を含む): 817410240

約数和(自身を除く): 499528760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1135291, 2270582, 4541164, 5676455, 7947037, 9082328, 11352910, 15894074, 22705820, 31788148, 39735185, 45411640, 63576296, 79470370, 158940740, 317881480]

約数ペア:

[(1, 317881480), (2, 158940740), (4, 79470370), (5, 63576296), (7, 45411640), (8, 39735185), (10, 31788148), (14, 22705820), (20, 15894074), (28, 11352910), (35, 9082328), (40, 7947037), (56, 5676455), (70, 4541164), (140, 2270582), (280, 1135291)]