105729800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 287208180

約数和(自身を除く): 181478380

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 85, 88, 100, 110, 121, 136, 170, 187, 200, 220, 242, 257, 275, 340, 374, 425, 440, 484, 514, 550, 605, 680, 748, 850, 935, 968, 1028, 1100, 1210, 1285, 1496, 1700, 1870, 2056, 2057, 2200, 2420, 2570, 2827, 3025, 3400, 3740, 4114, 4369, 4675, 4840, 5140, 5654, 6050, 6425, 7480, 8228, 8738, 9350, 10280, 10285, 11308, 12100, 12850, 14135, 16456, 17476, 18700, 20570, 21845, 22616, 24200, 25700, 28270, 31097, 34952, 37400, 41140, 43690, 48059, 51400, 51425, 56540, 62194, 70675, 82280, 87380, 96118, 102850, 109225, 113080, 124388, 141350, 155485, 174760, 192236, 205700, 218450, 240295, 248776, 282700, 310970, 384472, 411400, 436900, 480590, 528649, 565400, 621940, 777425, 873800, 961180, 1057298, 1201475, 1243880, 1554850, 1922360, 2114596, 2402950, 2643245, 3109700, 4229192, 4805900, 5286490, 6219400, 9611800, 10572980, 13216225, 21145960, 26432450, 52864900, 105729800]

約数ペア:

[(1, 105729800), (2, 52864900), (4, 26432450), (5, 21145960), (8, 13216225), (10, 10572980), (11, 9611800), (17, 6219400), (20, 5286490), (22, 4805900), (25, 4229192), (34, 3109700), (40, 2643245), (44, 2402950), (50, 2114596), (55, 1922360), (68, 1554850), (85, 1243880), (88, 1201475), (100, 1057298), (110, 961180), (121, 873800), (136, 777425), (170, 621940), (187, 565400), (200, 528649), (220, 480590), (242, 436900), (257, 411400), (275, 384472), (340, 310970), (374, 282700), (425, 248776), (440, 240295), (484, 218450), (514, 205700), (550, 192236), (605, 174760), (680, 155485), (748, 141350), (850, 124388), (935, 113080), (968, 109225), (1028, 102850), (1100, 96118), (1210, 87380), (1285, 82280), (1496, 70675), (1700, 62194), (1870, 56540), (2056, 51425), (2057, 51400), (2200, 48059), (2420, 43690), (2570, 41140), (2827, 37400), (3025, 34952), (3400, 31097), (3740, 28270), (4114, 25700), (4369, 24200), (4675, 22616), (4840, 21845), (5140, 20570), (5654, 18700), (6050, 17476), (6425, 16456), (7480, 14135), (8228, 12850), (8738, 12100), (9350, 11308), (10280, 10285)]