715602020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1999}}^1\times {\mathrm{2557}}^1$

素因数の和:4572

約数の個数: 48

約数和(自身を含む): 1718976000

約数和(自身を除く): 1003373980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1999, 2557, 3998, 5114, 7996, 9995, 10228, 12785, 13993, 17899, 19990, 25570, 27986, 35798, 39980, 51140, 55972, 69965, 71596, 89495, 139930, 178990, 279860, 357980, 5111443, 10222886, 20445772, 25557215, 35780101, 51114430, 71560202, 102228860, 143120404, 178900505, 357801010, 715602020]

約数ペア:

[(1, 715602020), (2, 357801010), (4, 178900505), (5, 143120404), (7, 102228860), (10, 71560202), (14, 51114430), (20, 35780101), (28, 25557215), (35, 20445772), (70, 10222886), (140, 5111443), (1999, 357980), (2557, 279860), (3998, 178990), (5114, 139930), (7996, 89495), (9995, 71596), (10228, 69965), (12785, 55972), (13993, 51140), (17899, 39980), (19990, 35798), (25570, 27986)]