280291284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1374

約数の個数: 144

約数和(自身を含む): 885725568

約数和(自身を除く): 605434284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 67, 78, 84, 91, 117, 126, 134, 156, 182, 201, 234, 252, 268, 273, 364, 402, 468, 469, 546, 603, 804, 819, 871, 938, 1092, 1206, 1277, 1407, 1638, 1742, 1876, 2412, 2554, 2613, 2814, 3276, 3484, 3831, 4221, 5108, 5226, 5628, 6097, 7662, 7839, 8442, 8939, 10452, 11493, 12194, 15324, 15678, 16601, 16884, 17878, 18291, 22986, 24388, 26817, 31356, 33202, 35756, 36582, 45972, 49803, 53634, 54873, 66404, 73164, 80451, 85559, 99606, 107268, 109746, 116207, 149409, 160902, 171118, 199212, 219492, 232414, 256677, 298818, 321804, 342236, 348621, 464828, 513354, 597636, 598913, 697242, 770031, 1026708, 1045863, 1112267, 1197826, 1394484, 1540062, 1796739, 2091726, 2224534, 2395652, 3080124, 3336801, 3593478, 4183452, 4449068, 5390217, 6673602, 7186956, 7785869, 10010403, 10780434, 13347204, 15571738, 20020806, 21560868, 23357607, 31143476, 40041612, 46715214, 70072821, 93430428, 140145642, 280291284]

約数ペア:

[(1, 280291284), (2, 140145642), (3, 93430428), (4, 70072821), (6, 46715214), (7, 40041612), (9, 31143476), (12, 23357607), (13, 21560868), (14, 20020806), (18, 15571738), (21, 13347204), (26, 10780434), (28, 10010403), (36, 7785869), (39, 7186956), (42, 6673602), (52, 5390217), (63, 4449068), (67, 4183452), (78, 3593478), (84, 3336801), (91, 3080124), (117, 2395652), (126, 2224534), (134, 2091726), (156, 1796739), (182, 1540062), (201, 1394484), (234, 1197826), (252, 1112267), (268, 1045863), (273, 1026708), (364, 770031), (402, 697242), (468, 598913), (469, 597636), (546, 513354), (603, 464828), (804, 348621), (819, 342236), (871, 321804), (938, 298818), (1092, 256677), (1206, 232414), (1277, 219492), (1407, 199212), (1638, 171118), (1742, 160902), (1876, 149409), (2412, 116207), (2554, 109746), (2613, 107268), (2814, 99606), (3276, 85559), (3484, 80451), (3831, 73164), (4221, 66404), (5108, 54873), (5226, 53634), (5628, 49803), (6097, 45972), (7662, 36582), (7839, 35756), (8442, 33202), (8939, 31356), (10452, 26817), (11493, 24388), (12194, 22986), (15324, 18291), (15678, 17878), (16601, 16884)]