4474180

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{641}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 9437400

約数和(自身を除く): 4963220

約数列:

[1, 2, 4, 5, 10, 20, 349, 641, 698, 1282, 1396, 1745, 2564, 3205, 3490, 6410, 6980, 12820, 223709, 447418, 894836, 1118545, 2237090, 4474180]

約数ペア:

[(1, 4474180), (2, 2237090), (4, 1118545), (5, 894836), (10, 447418), (20, 223709), (349, 12820), (641, 6980), (698, 6410), (1282, 3490), (1396, 3205), (1745, 2564)]