131961900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 216

約数和(自身を含む): 455970816

約数和(自身を除く): 324008916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 47, 49, 50, 60, 70, 75, 84, 94, 98, 100, 105, 140, 141, 147, 150, 175, 188, 191, 196, 210, 235, 245, 282, 294, 300, 329, 350, 382, 420, 470, 490, 525, 564, 573, 588, 658, 700, 705, 735, 764, 940, 955, 980, 987, 1050, 1146, 1175, 1225, 1316, 1337, 1410, 1470, 1645, 1910, 1974, 2100, 2292, 2303, 2350, 2450, 2674, 2820, 2865, 2940, 3290, 3525, 3675, 3820, 3948, 4011, 4606, 4700, 4775, 4900, 4935, 5348, 5730, 6580, 6685, 6909, 7050, 7350, 8022, 8225, 8977, 9212, 9359, 9550, 9870, 11460, 11515, 13370, 13818, 14100, 14325, 14700, 16044, 16450, 17954, 18718, 19100, 19740, 20055, 23030, 24675, 26740, 26931, 27636, 28077, 28650, 32900, 33425, 34545, 35908, 37436, 40110, 44885, 46060, 46795, 49350, 53862, 56154, 57300, 57575, 62839, 66850, 69090, 80220, 89770, 93590, 98700, 100275, 107724, 112308, 115150, 125678, 133700, 134655, 138180, 140385, 172725, 179540, 187180, 188517, 200550, 224425, 230300, 233975, 251356, 269310, 280770, 314195, 345450, 377034, 401100, 439873, 448850, 467950, 538620, 561540, 628390, 673275, 690900, 701925, 754068, 879746, 897700, 935900, 942585, 1256780, 1319619, 1346550, 1403850, 1570975, 1759492, 1885170, 2199365, 2639238, 2693100, 2807700, 3141950, 3770340, 4398730, 4712925, 5278476, 6283900, 6598095, 8797460, 9425850, 10996825, 13196190, 18851700, 21993650, 26392380, 32990475, 43987300, 65980950, 131961900]

約数ペア:

[(1, 131961900), (2, 65980950), (3, 43987300), (4, 32990475), (5, 26392380), (6, 21993650), (7, 18851700), (10, 13196190), (12, 10996825), (14, 9425850), (15, 8797460), (20, 6598095), (21, 6283900), (25, 5278476), (28, 4712925), (30, 4398730), (35, 3770340), (42, 3141950), (47, 2807700), (49, 2693100), (50, 2639238), (60, 2199365), (70, 1885170), (75, 1759492), (84, 1570975), (94, 1403850), (98, 1346550), (100, 1319619), (105, 1256780), (140, 942585), (141, 935900), (147, 897700), (150, 879746), (175, 754068), (188, 701925), (191, 690900), (196, 673275), (210, 628390), (235, 561540), (245, 538620), (282, 467950), (294, 448850), (300, 439873), (329, 401100), (350, 377034), (382, 345450), (420, 314195), (470, 280770), (490, 269310), (525, 251356), (564, 233975), (573, 230300), (588, 224425), (658, 200550), (700, 188517), (705, 187180), (735, 179540), (764, 172725), (940, 140385), (955, 138180), (980, 134655), (987, 133700), (1050, 125678), (1146, 115150), (1175, 112308), (1225, 107724), (1316, 100275), (1337, 98700), (1410, 93590), (1470, 89770), (1645, 80220), (1910, 69090), (1974, 66850), (2100, 62839), (2292, 57575), (2303, 57300), (2350, 56154), (2450, 53862), (2674, 49350), (2820, 46795), (2865, 46060), (2940, 44885), (3290, 40110), (3525, 37436), (3675, 35908), (3820, 34545), (3948, 33425), (4011, 32900), (4606, 28650), (4700, 28077), (4775, 27636), (4900, 26931), (4935, 26740), (5348, 24675), (5730, 23030), (6580, 20055), (6685, 19740), (6909, 19100), (7050, 18718), (7350, 17954), (8022, 16450), (8225, 16044), (8977, 14700), (9212, 14325), (9359, 14100), (9550, 13818), (9870, 13370), (11460, 11515)]