28925600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 81557280

約数和(自身を除く): 52631680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 160, 173, 176, 190, 200, 209, 220, 275, 304, 346, 352, 380, 400, 418, 440, 475, 550, 608, 692, 760, 800, 836, 865, 880, 950, 1045, 1100, 1384, 1520, 1672, 1730, 1760, 1900, 1903, 2090, 2200, 2768, 3040, 3287, 3344, 3460, 3800, 3806, 4180, 4325, 4400, 5225, 5536, 6574, 6688, 6920, 7600, 7612, 8360, 8650, 8800, 9515, 10450, 13148, 13840, 15200, 15224, 16435, 16720, 17300, 19030, 20900, 26296, 27680, 30448, 32870, 33440, 34600, 36157, 38060, 41800, 47575, 52592, 60896, 65740, 69200, 72314, 76120, 82175, 83600, 95150, 105184, 131480, 138400, 144628, 152240, 164350, 167200, 180785, 190300, 262960, 289256, 304480, 328700, 361570, 380600, 525920, 578512, 657400, 723140, 761200, 903925, 1157024, 1314800, 1446280, 1522400, 1807850, 2629600, 2892560, 3615700, 5785120, 7231400, 14462800, 28925600]

約数ペア:

[(1, 28925600), (2, 14462800), (4, 7231400), (5, 5785120), (8, 3615700), (10, 2892560), (11, 2629600), (16, 1807850), (19, 1522400), (20, 1446280), (22, 1314800), (25, 1157024), (32, 903925), (38, 761200), (40, 723140), (44, 657400), (50, 578512), (55, 525920), (76, 380600), (80, 361570), (88, 328700), (95, 304480), (100, 289256), (110, 262960), (152, 190300), (160, 180785), (173, 167200), (176, 164350), (190, 152240), (200, 144628), (209, 138400), (220, 131480), (275, 105184), (304, 95150), (346, 83600), (352, 82175), (380, 76120), (400, 72314), (418, 69200), (440, 65740), (475, 60896), (550, 52592), (608, 47575), (692, 41800), (760, 38060), (800, 36157), (836, 34600), (865, 33440), (880, 32870), (950, 30448), (1045, 27680), (1100, 26296), (1384, 20900), (1520, 19030), (1672, 17300), (1730, 16720), (1760, 16435), (1900, 15224), (1903, 15200), (2090, 13840), (2200, 13148), (2768, 10450), (3040, 9515), (3287, 8800), (3344, 8650), (3460, 8360), (3800, 7612), (3806, 7600), (4180, 6920), (4325, 6688), (4400, 6574), (5225, 5536)]