16651670

素因数分解:

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

素因数の和:2037

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 20284330

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 1999, 3998, 4165, 8330, 9995, 13993, 19990, 27986, 33983, 67966, 69965, 97951, 139930, 169915, 195902, 237881, 339830, 475762, 489755, 979510, 1189405, 1665167, 2378810, 3330334, 8325835, 16651670]

約数ペア:

[(1, 16651670), (2, 8325835), (5, 3330334), (7, 2378810), (10, 1665167), (14, 1189405), (17, 979510), (34, 489755), (35, 475762), (49, 339830), (70, 237881), (85, 195902), (98, 169915), (119, 139930), (170, 97951), (238, 69965), (245, 67966), (490, 33983), (595, 27986), (833, 19990), (1190, 13993), (1666, 9995), (1999, 8330), (3998, 4165)]