1880229008

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{390413}}^1$

素因数の和:390471

約数の個数: 40

約数和(自身を含む): 4260197568

約数和(自身を除く): 2379968560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 390413, 780826, 1561652, 2732891, 3123304, 5465782, 6246608, 10931564, 16787759, 21863128, 33575518, 43726256, 67151036, 117514313, 134302072, 235028626, 268604144, 470057252, 940114504, 1880229008]

約数ペア:

[(1, 1880229008), (2, 940114504), (4, 470057252), (7, 268604144), (8, 235028626), (14, 134302072), (16, 117514313), (28, 67151036), (43, 43726256), (56, 33575518), (86, 21863128), (112, 16787759), (172, 10931564), (301, 6246608), (344, 5465782), (602, 3123304), (688, 2732891), (1204, 1561652), (2408, 780826), (4816, 390413)]