278947510

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1\times {\mathrm{1061}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 512002944

約数和(自身を除く): 233055434

約数列:

[1, 2, 5, 10, 61, 122, 305, 431, 610, 862, 1061, 2122, 2155, 4310, 5305, 10610, 26291, 52582, 64721, 129442, 131455, 262910, 323605, 457291, 647210, 914582, 2286455, 4572910, 27894751, 55789502, 139473755, 278947510]

約数ペア:

[(1, 278947510), (2, 139473755), (5, 55789502), (10, 27894751), (61, 4572910), (122, 2286455), (305, 914582), (431, 647210), (610, 457291), (862, 323605), (1061, 262910), (2122, 131455), (2155, 129442), (4310, 64721), (5305, 52582), (10610, 26291)]