278587764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 872679808

約数和(自身を除く): 594092044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 277, 307, 364, 468, 546, 554, 614, 819, 831, 921, 1092, 1108, 1228, 1638, 1662, 1842, 1939, 2149, 2493, 2763, 3276, 3324, 3601, 3684, 3878, 3991, 4298, 4986, 5526, 5817, 6447, 7202, 7756, 7982, 8596, 9972, 10803, 11052, 11634, 11973, 12894, 14404, 15964, 17451, 19341, 21606, 23268, 23946, 25207, 25788, 27937, 32409, 34902, 35919, 38682, 43212, 47892, 50414, 55874, 64818, 69804, 71838, 75621, 77364, 83811, 85039, 100828, 111748, 129636, 143676, 151242, 167622, 170078, 226863, 251433, 255117, 302484, 335244, 340156, 453726, 502866, 510234, 595273, 765351, 907452, 1005732, 1020468, 1105507, 1190546, 1530702, 1785819, 2211014, 2381092, 3061404, 3316521, 3571638, 4422028, 5357457, 6633042, 7143276, 7738549, 9949563, 10714914, 13266084, 15477098, 19899126, 21429828, 23215647, 30954196, 39798252, 46431294, 69646941, 92862588, 139293882, 278587764]

約数ペア:

[(1, 278587764), (2, 139293882), (3, 92862588), (4, 69646941), (6, 46431294), (7, 39798252), (9, 30954196), (12, 23215647), (13, 21429828), (14, 19899126), (18, 15477098), (21, 13266084), (26, 10714914), (28, 9949563), (36, 7738549), (39, 7143276), (42, 6633042), (52, 5357457), (63, 4422028), (78, 3571638), (84, 3316521), (91, 3061404), (117, 2381092), (126, 2211014), (156, 1785819), (182, 1530702), (234, 1190546), (252, 1105507), (273, 1020468), (277, 1005732), (307, 907452), (364, 765351), (468, 595273), (546, 510234), (554, 502866), (614, 453726), (819, 340156), (831, 335244), (921, 302484), (1092, 255117), (1108, 251433), (1228, 226863), (1638, 170078), (1662, 167622), (1842, 151242), (1939, 143676), (2149, 129636), (2493, 111748), (2763, 100828), (3276, 85039), (3324, 83811), (3601, 77364), (3684, 75621), (3878, 71838), (3991, 69804), (4298, 64818), (4986, 55874), (5526, 50414), (5817, 47892), (6447, 43212), (7202, 38682), (7756, 35919), (7982, 34902), (8596, 32409), (9972, 27937), (10803, 25788), (11052, 25207), (11634, 23946), (11973, 23268), (12894, 21606), (14404, 19341), (15964, 17451)]