123400816

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:423

約数の個数: 120

約数和(自身を含む): 311698800

約数和(自身を除く): 188297984

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 49, 56, 77, 82, 88, 98, 112, 154, 164, 176, 196, 287, 308, 328, 349, 392, 451, 539, 574, 616, 656, 698, 784, 902, 1078, 1148, 1232, 1396, 1804, 2009, 2156, 2296, 2443, 2792, 3157, 3608, 3839, 4018, 4312, 4592, 4886, 5584, 6314, 7216, 7678, 8036, 8624, 9772, 12628, 14309, 15356, 16072, 17101, 19544, 22099, 25256, 26873, 28618, 30712, 32144, 34202, 39088, 44198, 50512, 53746, 57236, 61424, 68404, 88396, 100163, 107492, 114472, 136808, 157399, 176792, 188111, 200326, 214984, 228944, 273616, 314798, 353584, 376222, 400652, 429968, 629596, 701141, 752444, 801304, 1101793, 1259192, 1402282, 1504888, 1602608, 2203586, 2518384, 2804564, 3009776, 4407172, 5609128, 7712551, 8814344, 11218256, 15425102, 17628688, 30850204, 61700408, 123400816]

約数ペア:

[(1, 123400816), (2, 61700408), (4, 30850204), (7, 17628688), (8, 15425102), (11, 11218256), (14, 8814344), (16, 7712551), (22, 5609128), (28, 4407172), (41, 3009776), (44, 2804564), (49, 2518384), (56, 2203586), (77, 1602608), (82, 1504888), (88, 1402282), (98, 1259192), (112, 1101793), (154, 801304), (164, 752444), (176, 701141), (196, 629596), (287, 429968), (308, 400652), (328, 376222), (349, 353584), (392, 314798), (451, 273616), (539, 228944), (574, 214984), (616, 200326), (656, 188111), (698, 176792), (784, 157399), (902, 136808), (1078, 114472), (1148, 107492), (1232, 100163), (1396, 88396), (1804, 68404), (2009, 61424), (2156, 57236), (2296, 53746), (2443, 50512), (2792, 44198), (3157, 39088), (3608, 34202), (3839, 32144), (4018, 30712), (4312, 28618), (4592, 26873), (4886, 25256), (5584, 22099), (6314, 19544), (7216, 17101), (7678, 16072), (8036, 15356), (8624, 14309), (9772, 12628)]