254377816

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 633165120

約数和(自身を除く): 378787304

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 121, 124, 154, 173, 196, 217, 242, 248, 308, 341, 346, 392, 434, 484, 539, 616, 682, 692, 847, 868, 968, 1078, 1211, 1364, 1384, 1519, 1694, 1736, 1903, 2156, 2387, 2422, 2728, 3038, 3388, 3751, 3806, 4312, 4774, 4844, 5363, 5929, 6076, 6776, 7502, 7612, 8477, 9548, 9688, 10726, 11858, 12152, 13321, 15004, 15224, 16709, 16954, 19096, 20933, 21452, 23716, 26257, 26642, 30008, 33418, 33908, 37541, 41866, 42904, 47432, 52514, 53284, 58993, 66836, 67816, 75082, 83732, 93247, 105028, 106568, 117986, 133672, 146531, 150164, 167464, 183799, 186494, 210056, 235972, 262787, 293062, 300328, 367598, 372988, 412951, 471944, 525574, 586124, 648923, 735196, 745976, 825902, 1025717, 1051148, 1172248, 1297846, 1470392, 1651804, 2051434, 2102296, 2595692, 2890657, 3303608, 4102868, 4542461, 5191384, 5781314, 8205736, 9084922, 11562628, 18169844, 23125256, 31797227, 36339688, 63594454, 127188908, 254377816]

約数ペア:

[(1, 254377816), (2, 127188908), (4, 63594454), (7, 36339688), (8, 31797227), (11, 23125256), (14, 18169844), (22, 11562628), (28, 9084922), (31, 8205736), (44, 5781314), (49, 5191384), (56, 4542461), (62, 4102868), (77, 3303608), (88, 2890657), (98, 2595692), (121, 2102296), (124, 2051434), (154, 1651804), (173, 1470392), (196, 1297846), (217, 1172248), (242, 1051148), (248, 1025717), (308, 825902), (341, 745976), (346, 735196), (392, 648923), (434, 586124), (484, 525574), (539, 471944), (616, 412951), (682, 372988), (692, 367598), (847, 300328), (868, 293062), (968, 262787), (1078, 235972), (1211, 210056), (1364, 186494), (1384, 183799), (1519, 167464), (1694, 150164), (1736, 146531), (1903, 133672), (2156, 117986), (2387, 106568), (2422, 105028), (2728, 93247), (3038, 83732), (3388, 75082), (3751, 67816), (3806, 66836), (4312, 58993), (4774, 53284), (4844, 52514), (5363, 47432), (5929, 42904), (6076, 41866), (6776, 37541), (7502, 33908), (7612, 33418), (8477, 30008), (9548, 26642), (9688, 26257), (10726, 23716), (11858, 21452), (12152, 20933), (13321, 19096), (15004, 16954), (15224, 16709)]