399821328

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2077

約数の個数: 120

約数和(自身を含む): 1187334720

約数和(自身を除く): 787513392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 61, 69, 72, 92, 122, 138, 144, 183, 184, 207, 244, 276, 366, 368, 414, 488, 549, 552, 732, 828, 976, 1098, 1104, 1403, 1464, 1656, 1979, 2196, 2806, 2928, 3312, 3958, 4209, 4392, 5612, 5937, 7916, 8418, 8784, 11224, 11874, 12627, 15832, 16836, 17811, 22448, 23748, 25254, 31664, 33672, 35622, 45517, 47496, 50508, 67344, 71244, 91034, 94992, 101016, 120719, 136551, 142488, 182068, 202032, 241438, 273102, 284976, 362157, 364136, 409653, 482876, 546204, 724314, 728272, 819306, 965752, 1086471, 1092408, 1448628, 1638612, 1931504, 2172942, 2184816, 2776537, 2897256, 3277224, 4345884, 5553074, 5794512, 6554448, 8329611, 8691768, 11106148, 16659222, 17383536, 22212296, 24988833, 33318444, 44424592, 49977666, 66636888, 99955332, 133273776, 199910664, 399821328]

約数ペア:

[(1, 399821328), (2, 199910664), (3, 133273776), (4, 99955332), (6, 66636888), (8, 49977666), (9, 44424592), (12, 33318444), (16, 24988833), (18, 22212296), (23, 17383536), (24, 16659222), (36, 11106148), (46, 8691768), (48, 8329611), (61, 6554448), (69, 5794512), (72, 5553074), (92, 4345884), (122, 3277224), (138, 2897256), (144, 2776537), (183, 2184816), (184, 2172942), (207, 1931504), (244, 1638612), (276, 1448628), (366, 1092408), (368, 1086471), (414, 965752), (488, 819306), (549, 728272), (552, 724314), (732, 546204), (828, 482876), (976, 409653), (1098, 364136), (1104, 362157), (1403, 284976), (1464, 273102), (1656, 241438), (1979, 202032), (2196, 182068), (2806, 142488), (2928, 136551), (3312, 120719), (3958, 101016), (4209, 94992), (4392, 91034), (5612, 71244), (5937, 67344), (7916, 50508), (8418, 47496), (8784, 45517), (11224, 35622), (11874, 33672), (12627, 31664), (15832, 25254), (16836, 23748), (17811, 22448)]