249347120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{25759}}^1$

素因数の和:25794

約数の個数: 60

約数和(自身を含む): 637250880

約数和(自身を除く): 387903760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 25759, 51518, 103036, 128795, 206072, 257590, 283349, 412144, 515180, 566698, 1030360, 1133396, 1416745, 2060720, 2266792, 2833490, 3116839, 4533584, 5666980, 6233678, 11333960, 12467356, 15584195, 22667920, 24934712, 31168390, 49869424, 62336780, 124673560, 249347120]

約数ペア:

[(1, 249347120), (2, 124673560), (4, 62336780), (5, 49869424), (8, 31168390), (10, 24934712), (11, 22667920), (16, 15584195), (20, 12467356), (22, 11333960), (40, 6233678), (44, 5666980), (55, 4533584), (80, 3116839), (88, 2833490), (110, 2266792), (121, 2060720), (176, 1416745), (220, 1133396), (242, 1030360), (440, 566698), (484, 515180), (605, 412144), (880, 283349), (968, 257590), (1210, 206072), (1936, 128795), (2420, 103036), (4840, 51518), (9680, 25759)]