31323740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31963}}^1$

素因数の和:31986

約数の個数: 36

約数和(自身を含む): 76521816

約数和(自身を除く): 45198076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31963, 63926, 127852, 159815, 223741, 319630, 447482, 639260, 894964, 1118705, 1566187, 2237410, 3132374, 4474820, 6264748, 7830935, 15661870, 31323740]

約数ペア:

[(1, 31323740), (2, 15661870), (4, 7830935), (5, 6264748), (7, 4474820), (10, 3132374), (14, 2237410), (20, 1566187), (28, 1118705), (35, 894964), (49, 639260), (70, 447482), (98, 319630), (140, 223741), (196, 159815), (245, 127852), (490, 63926), (980, 31963)]