28125930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2083

約数の個数: 64

約数和(自身を含む): 78336000

約数和(自身を除く): 50210070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 67, 70, 105, 134, 201, 210, 335, 402, 469, 670, 938, 1005, 1407, 1999, 2010, 2345, 2814, 3998, 4690, 5997, 7035, 9995, 11994, 13993, 14070, 19990, 27986, 29985, 41979, 59970, 69965, 83958, 133933, 139930, 209895, 267866, 401799, 419790, 669665, 803598, 937531, 1339330, 1875062, 2008995, 2812593, 4017990, 4687655, 5625186, 9375310, 14062965, 28125930]

約数ペア:

[(1, 28125930), (2, 14062965), (3, 9375310), (5, 5625186), (6, 4687655), (7, 4017990), (10, 2812593), (14, 2008995), (15, 1875062), (21, 1339330), (30, 937531), (35, 803598), (42, 669665), (67, 419790), (70, 401799), (105, 267866), (134, 209895), (201, 139930), (210, 133933), (335, 83958), (402, 69965), (469, 59970), (670, 41979), (938, 29985), (1005, 27986), (1407, 19990), (1999, 14070), (2010, 13993), (2345, 11994), (2814, 9995), (3998, 7035), (4690, 5997)]