251186320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{337}}^1$

素因数の和:390

約数の個数: 160

約数和(自身を含む): 736310016

約数和(自身を除く): 485123696

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 337, 385, 440, 484, 560, 605, 616, 674, 770, 847, 880, 968, 1210, 1232, 1331, 1348, 1540, 1685, 1694, 1936, 2359, 2420, 2662, 2696, 3080, 3370, 3388, 3707, 4235, 4718, 4840, 5324, 5392, 6160, 6655, 6740, 6776, 7414, 8470, 9317, 9436, 9680, 10648, 11795, 13310, 13480, 13552, 14828, 16940, 18535, 18634, 18872, 21296, 23590, 25949, 26620, 26960, 29656, 33880, 37070, 37268, 37744, 40777, 46585, 47180, 51898, 53240, 59312, 67760, 74140, 74536, 81554, 93170, 94360, 103796, 106480, 129745, 148280, 149072, 163108, 186340, 188720, 203885, 207592, 259490, 285439, 296560, 326216, 372680, 407770, 415184, 448547, 518980, 570878, 652432, 745360, 815540, 897094, 1037960, 1141756, 1427195, 1631080, 1794188, 2075920, 2242735, 2283512, 2854390, 3139829, 3262160, 3588376, 4485470, 4567024, 5708780, 6279658, 7176752, 8970940, 11417560, 12559316, 15699145, 17941880, 22835120, 25118632, 31398290, 35883760, 50237264, 62796580, 125593160, 251186320]

約数ペア:

[(1, 251186320), (2, 125593160), (4, 62796580), (5, 50237264), (7, 35883760), (8, 31398290), (10, 25118632), (11, 22835120), (14, 17941880), (16, 15699145), (20, 12559316), (22, 11417560), (28, 8970940), (35, 7176752), (40, 6279658), (44, 5708780), (55, 4567024), (56, 4485470), (70, 3588376), (77, 3262160), (80, 3139829), (88, 2854390), (110, 2283512), (112, 2242735), (121, 2075920), (140, 1794188), (154, 1631080), (176, 1427195), (220, 1141756), (242, 1037960), (280, 897094), (308, 815540), (337, 745360), (385, 652432), (440, 570878), (484, 518980), (560, 448547), (605, 415184), (616, 407770), (674, 372680), (770, 326216), (847, 296560), (880, 285439), (968, 259490), (1210, 207592), (1232, 203885), (1331, 188720), (1348, 186340), (1540, 163108), (1685, 149072), (1694, 148280), (1936, 129745), (2359, 106480), (2420, 103796), (2662, 94360), (2696, 93170), (3080, 81554), (3370, 74536), (3388, 74140), (3707, 67760), (4235, 59312), (4718, 53240), (4840, 51898), (5324, 47180), (5392, 46585), (6160, 40777), (6655, 37744), (6740, 37268), (6776, 37070), (7414, 33880), (8470, 29656), (9317, 26960), (9436, 26620), (9680, 25949), (10648, 23590), (11795, 21296), (13310, 18872), (13480, 18634), (13552, 18535), (14828, 16940)]