238210280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 689472000

約数和(自身を除く): 451261720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 89, 110, 121, 140, 154, 158, 178, 220, 242, 280, 308, 316, 356, 385, 395, 440, 445, 484, 553, 605, 616, 623, 632, 712, 770, 790, 847, 869, 890, 968, 979, 1106, 1210, 1246, 1540, 1580, 1694, 1738, 1780, 1958, 2212, 2420, 2492, 2765, 3080, 3115, 3160, 3388, 3476, 3560, 3916, 4235, 4345, 4424, 4840, 4895, 4984, 5530, 6083, 6230, 6776, 6853, 6952, 7031, 7832, 8470, 8690, 9559, 9790, 10769, 11060, 12166, 12460, 13706, 14062, 16940, 17380, 19118, 19580, 21538, 22120, 24332, 24920, 27412, 28124, 30415, 33880, 34265, 34760, 35155, 38236, 39160, 43076, 47795, 48664, 49217, 53845, 54824, 56248, 60830, 66913, 68530, 70310, 75383, 76472, 77341, 86152, 95590, 98434, 107690, 121660, 133826, 137060, 140620, 150766, 154682, 191180, 196868, 215380, 243320, 246085, 267652, 274120, 281240, 301532, 309364, 334565, 376915, 382360, 386705, 393736, 430760, 492170, 535304, 541387, 603064, 618728, 669130, 753830, 773410, 850751, 984340, 1082774, 1338260, 1507660, 1546820, 1701502, 1968680, 2165548, 2676520, 2706935, 3015320, 3093640, 3403004, 4253755, 4331096, 5413870, 5955257, 6806008, 8507510, 10827740, 11910514, 17015020, 21655480, 23821028, 29776285, 34030040, 47642056, 59552570, 119105140, 238210280]

約数ペア:

[(1, 238210280), (2, 119105140), (4, 59552570), (5, 47642056), (7, 34030040), (8, 29776285), (10, 23821028), (11, 21655480), (14, 17015020), (20, 11910514), (22, 10827740), (28, 8507510), (35, 6806008), (40, 5955257), (44, 5413870), (55, 4331096), (56, 4253755), (70, 3403004), (77, 3093640), (79, 3015320), (88, 2706935), (89, 2676520), (110, 2165548), (121, 1968680), (140, 1701502), (154, 1546820), (158, 1507660), (178, 1338260), (220, 1082774), (242, 984340), (280, 850751), (308, 773410), (316, 753830), (356, 669130), (385, 618728), (395, 603064), (440, 541387), (445, 535304), (484, 492170), (553, 430760), (605, 393736), (616, 386705), (623, 382360), (632, 376915), (712, 334565), (770, 309364), (790, 301532), (847, 281240), (869, 274120), (890, 267652), (968, 246085), (979, 243320), (1106, 215380), (1210, 196868), (1246, 191180), (1540, 154682), (1580, 150766), (1694, 140620), (1738, 137060), (1780, 133826), (1958, 121660), (2212, 107690), (2420, 98434), (2492, 95590), (2765, 86152), (3080, 77341), (3115, 76472), (3160, 75383), (3388, 70310), (3476, 68530), (3560, 66913), (3916, 60830), (4235, 56248), (4345, 54824), (4424, 53845), (4840, 49217), (4895, 48664), (4984, 47795), (5530, 43076), (6083, 39160), (6230, 38236), (6776, 35155), (6853, 34760), (6952, 34265), (7031, 33880), (7832, 30415), (8470, 28124), (8690, 27412), (9559, 24920), (9790, 24332), (10769, 22120), (11060, 21538), (12166, 19580), (12460, 19118), (13706, 17380), (14062, 16940)]