11554220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1999}}^1$

素因数の和:2042

約数の個数: 36

約数和(自身を含む): 25788000

約数和(自身を除く): 14233780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 1999, 2890, 3998, 5780, 7996, 9995, 19990, 33983, 39980, 67966, 135932, 169915, 339830, 577711, 679660, 1155422, 2310844, 2888555, 5777110, 11554220]

約数ペア:

[(1, 11554220), (2, 5777110), (4, 2888555), (5, 2310844), (10, 1155422), (17, 679660), (20, 577711), (34, 339830), (68, 169915), (85, 135932), (170, 67966), (289, 39980), (340, 33983), (578, 19990), (1156, 9995), (1445, 7996), (1999, 5780), (2890, 3998)]