311540670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1$

素因数の和:1510

約数の個数: 96

約数和(自身を含む): 928512000

約数和(自身を除く): 616971330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 499, 630, 991, 998, 1497, 1982, 2495, 2973, 2994, 3493, 4491, 4955, 4990, 5946, 6937, 6986, 7485, 8919, 8982, 9910, 10479, 13874, 14865, 14970, 17465, 17838, 20811, 20958, 22455, 29730, 31437, 34685, 34930, 41622, 44595, 44910, 52395, 62433, 62874, 69370, 89190, 104055, 104790, 124866, 157185, 208110, 312165, 314370, 494509, 624330, 989018, 1483527, 2472545, 2967054, 3461563, 4450581, 4945090, 6923126, 7417635, 8901162, 10384689, 14835270, 17307815, 20769378, 22252905, 31154067, 34615630, 44505810, 51923445, 62308134, 103846890, 155770335, 311540670]

約数ペア:

[(1, 311540670), (2, 155770335), (3, 103846890), (5, 62308134), (6, 51923445), (7, 44505810), (9, 34615630), (10, 31154067), (14, 22252905), (15, 20769378), (18, 17307815), (21, 14835270), (30, 10384689), (35, 8901162), (42, 7417635), (45, 6923126), (63, 4945090), (70, 4450581), (90, 3461563), (105, 2967054), (126, 2472545), (210, 1483527), (315, 989018), (499, 624330), (630, 494509), (991, 314370), (998, 312165), (1497, 208110), (1982, 157185), (2495, 124866), (2973, 104790), (2994, 104055), (3493, 89190), (4491, 69370), (4955, 62874), (4990, 62433), (5946, 52395), (6937, 44910), (6986, 44595), (7485, 41622), (8919, 34930), (8982, 34685), (9910, 31437), (10479, 29730), (13874, 22455), (14865, 20958), (14970, 20811), (17465, 17838)]