128850400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 216

約数和(自身を含む): 387397080

約数和(自身を除く): 258546680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 49, 50, 56, 70, 76, 80, 95, 98, 100, 112, 133, 140, 152, 160, 173, 175, 190, 196, 200, 224, 245, 266, 280, 304, 346, 350, 380, 392, 400, 475, 490, 532, 560, 608, 665, 692, 700, 760, 784, 800, 865, 931, 950, 980, 1064, 1120, 1211, 1225, 1330, 1384, 1400, 1520, 1568, 1730, 1862, 1900, 1960, 2128, 2422, 2450, 2660, 2768, 2800, 3040, 3287, 3325, 3460, 3724, 3800, 3920, 4256, 4325, 4655, 4844, 4900, 5320, 5536, 5600, 6055, 6574, 6650, 6920, 7448, 7600, 7840, 8477, 8650, 9310, 9688, 9800, 10640, 12110, 13148, 13300, 13840, 14896, 15200, 16435, 16954, 17300, 18620, 19376, 19600, 21280, 23009, 23275, 24220, 26296, 26600, 27680, 29792, 30275, 32870, 33908, 34600, 37240, 38752, 39200, 42385, 46018, 46550, 48440, 52592, 53200, 60550, 65740, 67816, 69200, 74480, 82175, 84770, 92036, 93100, 96880, 105184, 106400, 115045, 121100, 131480, 135632, 138400, 148960, 161063, 164350, 169540, 184072, 186200, 193760, 211925, 230090, 242200, 262960, 271264, 322126, 328700, 339080, 368144, 372400, 423850, 460180, 484400, 525920, 575225, 644252, 657400, 678160, 736288, 744800, 805315, 847700, 920360, 968800, 1150450, 1288504, 1314800, 1356320, 1610630, 1695400, 1840720, 2300900, 2577008, 2629600, 3221260, 3390800, 3681440, 4026575, 4601800, 5154016, 6442520, 6781600, 8053150, 9203600, 12885040, 16106300, 18407200, 25770080, 32212600, 64425200, 128850400]

約数ペア:

[(1, 128850400), (2, 64425200), (4, 32212600), (5, 25770080), (7, 18407200), (8, 16106300), (10, 12885040), (14, 9203600), (16, 8053150), (19, 6781600), (20, 6442520), (25, 5154016), (28, 4601800), (32, 4026575), (35, 3681440), (38, 3390800), (40, 3221260), (49, 2629600), (50, 2577008), (56, 2300900), (70, 1840720), (76, 1695400), (80, 1610630), (95, 1356320), (98, 1314800), (100, 1288504), (112, 1150450), (133, 968800), (140, 920360), (152, 847700), (160, 805315), (173, 744800), (175, 736288), (190, 678160), (196, 657400), (200, 644252), (224, 575225), (245, 525920), (266, 484400), (280, 460180), (304, 423850), (346, 372400), (350, 368144), (380, 339080), (392, 328700), (400, 322126), (475, 271264), (490, 262960), (532, 242200), (560, 230090), (608, 211925), (665, 193760), (692, 186200), (700, 184072), (760, 169540), (784, 164350), (800, 161063), (865, 148960), (931, 138400), (950, 135632), (980, 131480), (1064, 121100), (1120, 115045), (1211, 106400), (1225, 105184), (1330, 96880), (1384, 93100), (1400, 92036), (1520, 84770), (1568, 82175), (1730, 74480), (1862, 69200), (1900, 67816), (1960, 65740), (2128, 60550), (2422, 53200), (2450, 52592), (2660, 48440), (2768, 46550), (2800, 46018), (3040, 42385), (3287, 39200), (3325, 38752), (3460, 37240), (3724, 34600), (3800, 33908), (3920, 32870), (4256, 30275), (4325, 29792), (4655, 27680), (4844, 26600), (4900, 26296), (5320, 24220), (5536, 23275), (5600, 23009), (6055, 21280), (6574, 19600), (6650, 19376), (6920, 18620), (7448, 17300), (7600, 16954), (7840, 16435), (8477, 15200), (8650, 14896), (9310, 13840), (9688, 13300), (9800, 13148), (10640, 12110)]