257225800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 699955200

約数和(自身を除く): 442729400

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 41, 50, 52, 65, 76, 82, 95, 100, 104, 127, 130, 152, 164, 190, 200, 205, 247, 254, 260, 325, 328, 380, 410, 475, 494, 508, 520, 533, 635, 650, 760, 779, 820, 950, 988, 1016, 1025, 1066, 1235, 1270, 1300, 1558, 1640, 1651, 1900, 1976, 2050, 2132, 2413, 2470, 2540, 2600, 2665, 3116, 3175, 3302, 3800, 3895, 4100, 4264, 4826, 4940, 5080, 5207, 5330, 6175, 6232, 6350, 6604, 7790, 8200, 8255, 9652, 9880, 10127, 10414, 10660, 12065, 12350, 12700, 13208, 13325, 15580, 16510, 19304, 19475, 20254, 20828, 21320, 24130, 24700, 25400, 26035, 26650, 31160, 31369, 33020, 38950, 40508, 41275, 41656, 48260, 49400, 50635, 52070, 53300, 60325, 62738, 66040, 67691, 77900, 81016, 82550, 96520, 98933, 101270, 104140, 106600, 120650, 125476, 130175, 135382, 155800, 156845, 165100, 197866, 202540, 208280, 241300, 250952, 253175, 260350, 270764, 313690, 330200, 338455, 395732, 405080, 482600, 494665, 506350, 520700, 541528, 627380, 676910, 784225, 791464, 989330, 1012700, 1041400, 1254760, 1286129, 1353820, 1568450, 1692275, 1978660, 2025400, 2473325, 2572258, 2707640, 3136900, 3384550, 3957320, 4946650, 5144516, 6273800, 6430645, 6769100, 9893300, 10289032, 12861290, 13538200, 19786600, 25722580, 32153225, 51445160, 64306450, 128612900, 257225800]

約数ペア:

[(1, 257225800), (2, 128612900), (4, 64306450), (5, 51445160), (8, 32153225), (10, 25722580), (13, 19786600), (19, 13538200), (20, 12861290), (25, 10289032), (26, 9893300), (38, 6769100), (40, 6430645), (41, 6273800), (50, 5144516), (52, 4946650), (65, 3957320), (76, 3384550), (82, 3136900), (95, 2707640), (100, 2572258), (104, 2473325), (127, 2025400), (130, 1978660), (152, 1692275), (164, 1568450), (190, 1353820), (200, 1286129), (205, 1254760), (247, 1041400), (254, 1012700), (260, 989330), (325, 791464), (328, 784225), (380, 676910), (410, 627380), (475, 541528), (494, 520700), (508, 506350), (520, 494665), (533, 482600), (635, 405080), (650, 395732), (760, 338455), (779, 330200), (820, 313690), (950, 270764), (988, 260350), (1016, 253175), (1025, 250952), (1066, 241300), (1235, 208280), (1270, 202540), (1300, 197866), (1558, 165100), (1640, 156845), (1651, 155800), (1900, 135382), (1976, 130175), (2050, 125476), (2132, 120650), (2413, 106600), (2470, 104140), (2540, 101270), (2600, 98933), (2665, 96520), (3116, 82550), (3175, 81016), (3302, 77900), (3800, 67691), (3895, 66040), (4100, 62738), (4264, 60325), (4826, 53300), (4940, 52070), (5080, 50635), (5207, 49400), (5330, 48260), (6175, 41656), (6232, 41275), (6350, 40508), (6604, 38950), (7790, 33020), (8200, 31369), (8255, 31160), (9652, 26650), (9880, 26035), (10127, 25400), (10414, 24700), (10660, 24130), (12065, 21320), (12350, 20828), (12700, 20254), (13208, 19475), (13325, 19304), (15580, 16510)]