218476310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 447431040

約数和(自身を除く): 228954730

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 89, 115, 130, 178, 230, 299, 445, 598, 821, 890, 1157, 1495, 1642, 2047, 2314, 2990, 4094, 4105, 5785, 8210, 10235, 10673, 11570, 18883, 20470, 21346, 26611, 37766, 53222, 53365, 73069, 94415, 106730, 133055, 146138, 188830, 245479, 266110, 365345, 490958, 730690, 949897, 1227395, 1680587, 1899794, 2454790, 3361174, 4749485, 8402935, 9498970, 16805870, 21847631, 43695262, 109238155, 218476310]

約数ペア:

[(1, 218476310), (2, 109238155), (5, 43695262), (10, 21847631), (13, 16805870), (23, 9498970), (26, 8402935), (46, 4749485), (65, 3361174), (89, 2454790), (115, 1899794), (130, 1680587), (178, 1227395), (230, 949897), (299, 730690), (445, 490958), (598, 365345), (821, 266110), (890, 245479), (1157, 188830), (1495, 146138), (1642, 133055), (2047, 106730), (2314, 94415), (2990, 73069), (4094, 53365), (4105, 53222), (5785, 37766), (8210, 26611), (10235, 21346), (10673, 20470), (11570, 18883)]