40439770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1999}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 88416000

約数和(自身を除く): 47976230

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 289, 578, 595, 1190, 1445, 1999, 2023, 2890, 3998, 4046, 9995, 10115, 13993, 19990, 20230, 27986, 33983, 67966, 69965, 139930, 169915, 237881, 339830, 475762, 577711, 1155422, 1189405, 2378810, 2888555, 4043977, 5777110, 8087954, 20219885, 40439770]

約数ペア:

[(1, 40439770), (2, 20219885), (5, 8087954), (7, 5777110), (10, 4043977), (14, 2888555), (17, 2378810), (34, 1189405), (35, 1155422), (70, 577711), (85, 475762), (119, 339830), (170, 237881), (238, 169915), (289, 139930), (578, 69965), (595, 67966), (1190, 33983), (1445, 27986), (1999, 20230), (2023, 19990), (2890, 13993), (3998, 10115), (4046, 9995)]