287076244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 682106880

約数和(自身を除く): 395030636

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 62, 76, 91, 103, 124, 133, 169, 182, 206, 217, 247, 266, 338, 364, 403, 412, 434, 494, 532, 589, 676, 721, 806, 868, 988, 1178, 1183, 1339, 1442, 1612, 1729, 1957, 2356, 2366, 2678, 2821, 2884, 3193, 3211, 3458, 3914, 4123, 4732, 5239, 5356, 5642, 6386, 6422, 6916, 7657, 7828, 8246, 9373, 10478, 11284, 12772, 12844, 13699, 15314, 16492, 17407, 18746, 20956, 22351, 22477, 25441, 27398, 30628, 34814, 36673, 37492, 41509, 44702, 44954, 50882, 53599, 54796, 60667, 69628, 73346, 83018, 89404, 89908, 99541, 101764, 107198, 121334, 121849, 146692, 166036, 178087, 199082, 214396, 242668, 243698, 290563, 330733, 356174, 398164, 424669, 487396, 539617, 581126, 661466, 696787, 712348, 788671, 849338, 1079234, 1162252, 1322932, 1393574, 1577342, 1698676, 2158468, 2315131, 2787148, 3154684, 3777319, 4630262, 5520697, 7554638, 9260524, 10252723, 11041394, 15109276, 20505446, 22082788, 41010892, 71769061, 143538122, 287076244]

約数ペア:

[(1, 287076244), (2, 143538122), (4, 71769061), (7, 41010892), (13, 22082788), (14, 20505446), (19, 15109276), (26, 11041394), (28, 10252723), (31, 9260524), (38, 7554638), (52, 5520697), (62, 4630262), (76, 3777319), (91, 3154684), (103, 2787148), (124, 2315131), (133, 2158468), (169, 1698676), (182, 1577342), (206, 1393574), (217, 1322932), (247, 1162252), (266, 1079234), (338, 849338), (364, 788671), (403, 712348), (412, 696787), (434, 661466), (494, 581126), (532, 539617), (589, 487396), (676, 424669), (721, 398164), (806, 356174), (868, 330733), (988, 290563), (1178, 243698), (1183, 242668), (1339, 214396), (1442, 199082), (1612, 178087), (1729, 166036), (1957, 146692), (2356, 121849), (2366, 121334), (2678, 107198), (2821, 101764), (2884, 99541), (3193, 89908), (3211, 89404), (3458, 83018), (3914, 73346), (4123, 69628), (4732, 60667), (5239, 54796), (5356, 53599), (5642, 50882), (6386, 44954), (6422, 44702), (6916, 41509), (7657, 37492), (7828, 36673), (8246, 34814), (9373, 30628), (10478, 27398), (11284, 25441), (12772, 22477), (12844, 22351), (13699, 20956), (15314, 18746), (16492, 17407)]