339889780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{2237}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 730912896

約数和(自身を除く): 391023116

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 142, 214, 284, 355, 428, 535, 710, 1070, 1420, 2140, 2237, 4474, 7597, 8948, 11185, 15194, 22370, 30388, 37985, 44740, 75970, 151940, 158827, 239359, 317654, 478718, 635308, 794135, 957436, 1196795, 1588270, 2393590, 3176540, 4787180, 16994489, 33988978, 67977956, 84972445, 169944890, 339889780]

約数ペア:

[(1, 339889780), (2, 169944890), (4, 84972445), (5, 67977956), (10, 33988978), (20, 16994489), (71, 4787180), (107, 3176540), (142, 2393590), (214, 1588270), (284, 1196795), (355, 957436), (428, 794135), (535, 635308), (710, 478718), (1070, 317654), (1420, 239359), (2140, 158827), (2237, 151940), (4474, 75970), (7597, 44740), (8948, 37985), (11185, 30388), (15194, 22370)]