2018649220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2557}}^1\times {\mathrm{5639}}^1$

素因数の和:8212

約数の個数: 48

約数和(自身を含む): 4847512320

約数和(自身を除く): 2828863100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2557, 5114, 5639, 10228, 11278, 12785, 17899, 22556, 25570, 28195, 35798, 39473, 51140, 56390, 71596, 78946, 89495, 112780, 157892, 178990, 197365, 357980, 394730, 789460, 14418923, 28837846, 57675692, 72094615, 100932461, 144189230, 201864922, 288378460, 403729844, 504662305, 1009324610, 2018649220]

約数ペア:

[(1, 2018649220), (2, 1009324610), (4, 504662305), (5, 403729844), (7, 288378460), (10, 201864922), (14, 144189230), (20, 100932461), (28, 72094615), (35, 57675692), (70, 28837846), (140, 14418923), (2557, 789460), (5114, 394730), (5639, 357980), (10228, 197365), (11278, 178990), (12785, 157892), (17899, 112780), (22556, 89495), (25570, 78946), (28195, 71596), (35798, 56390), (39473, 51140)]