361480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 930240

約数和(自身を除く): 568760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1291, 2582, 5164, 6455, 9037, 10328, 12910, 18074, 25820, 36148, 45185, 51640, 72296, 90370, 180740, 361480]

約数ペア:

[(1, 361480), (2, 180740), (4, 90370), (5, 72296), (7, 51640), (8, 45185), (10, 36148), (14, 25820), (20, 18074), (28, 12910), (35, 10328), (40, 9037), (56, 6455), (70, 5164), (140, 2582), (280, 1291)]