78242500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 207833472

約数和(自身を除く): 129590972

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 125, 140, 170, 175, 238, 250, 263, 340, 350, 425, 476, 500, 526, 595, 625, 700, 850, 875, 1052, 1190, 1250, 1315, 1700, 1750, 1841, 2125, 2380, 2500, 2630, 2975, 3500, 3682, 4250, 4375, 4471, 5260, 5950, 6575, 7364, 8500, 8750, 8942, 9205, 10625, 11900, 13150, 14875, 17500, 17884, 18410, 21250, 22355, 26300, 29750, 31297, 32875, 36820, 42500, 44710, 46025, 59500, 62594, 65750, 74375, 89420, 92050, 111775, 125188, 131500, 148750, 156485, 164375, 184100, 223550, 230125, 297500, 312970, 328750, 447100, 460250, 558875, 625940, 657500, 782425, 920500, 1117750, 1150625, 1564850, 2235500, 2301250, 2794375, 3129700, 3912125, 4602500, 5588750, 7824250, 11177500, 15648500, 19560625, 39121250, 78242500]

約数ペア:

[(1, 78242500), (2, 39121250), (4, 19560625), (5, 15648500), (7, 11177500), (10, 7824250), (14, 5588750), (17, 4602500), (20, 3912125), (25, 3129700), (28, 2794375), (34, 2301250), (35, 2235500), (50, 1564850), (68, 1150625), (70, 1117750), (85, 920500), (100, 782425), (119, 657500), (125, 625940), (140, 558875), (170, 460250), (175, 447100), (238, 328750), (250, 312970), (263, 297500), (340, 230125), (350, 223550), (425, 184100), (476, 164375), (500, 156485), (526, 148750), (595, 131500), (625, 125188), (700, 111775), (850, 92050), (875, 89420), (1052, 74375), (1190, 65750), (1250, 62594), (1315, 59500), (1700, 46025), (1750, 44710), (1841, 42500), (2125, 36820), (2380, 32875), (2500, 31297), (2630, 29750), (2975, 26300), (3500, 22355), (3682, 21250), (4250, 18410), (4375, 17884), (4471, 17500), (5260, 14875), (5950, 13150), (6575, 11900), (7364, 10625), (8500, 9205), (8750, 8942)]