278988804

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 769886208

約数和(自身を除く): 490897404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 67, 69, 92, 94, 107, 134, 138, 141, 188, 201, 207, 214, 268, 276, 282, 321, 402, 414, 423, 428, 564, 603, 642, 804, 828, 846, 963, 1081, 1206, 1284, 1541, 1692, 1926, 2162, 2412, 2461, 3082, 3149, 3243, 3852, 4324, 4623, 4922, 5029, 6164, 6298, 6486, 7169, 7383, 9246, 9447, 9729, 9844, 10058, 12596, 12972, 13869, 14338, 14766, 15087, 18492, 18894, 19458, 20116, 21507, 22149, 27738, 28341, 28676, 29532, 30174, 37788, 38916, 43014, 44298, 45261, 55476, 56682, 60348, 64521, 72427, 86028, 88596, 90522, 113364, 115667, 129042, 144854, 164887, 181044, 217281, 231334, 258084, 289708, 329774, 336943, 347001, 434562, 462668, 494661, 651843, 659548, 673886, 694002, 869124, 989322, 1010829, 1041003, 1303686, 1347772, 1388004, 1483983, 1978644, 2021658, 2082006, 2607372, 2967966, 3032487, 4043316, 4164012, 5935932, 6064974, 7749689, 12129948, 15499378, 23249067, 30998756, 46498134, 69747201, 92996268, 139494402, 278988804]

約数ペア:

[(1, 278988804), (2, 139494402), (3, 92996268), (4, 69747201), (6, 46498134), (9, 30998756), (12, 23249067), (18, 15499378), (23, 12129948), (36, 7749689), (46, 6064974), (47, 5935932), (67, 4164012), (69, 4043316), (92, 3032487), (94, 2967966), (107, 2607372), (134, 2082006), (138, 2021658), (141, 1978644), (188, 1483983), (201, 1388004), (207, 1347772), (214, 1303686), (268, 1041003), (276, 1010829), (282, 989322), (321, 869124), (402, 694002), (414, 673886), (423, 659548), (428, 651843), (564, 494661), (603, 462668), (642, 434562), (804, 347001), (828, 336943), (846, 329774), (963, 289708), (1081, 258084), (1206, 231334), (1284, 217281), (1541, 181044), (1692, 164887), (1926, 144854), (2162, 129042), (2412, 115667), (2461, 113364), (3082, 90522), (3149, 88596), (3243, 86028), (3852, 72427), (4324, 64521), (4623, 60348), (4922, 56682), (5029, 55476), (6164, 45261), (6298, 44298), (6486, 43014), (7169, 38916), (7383, 37788), (9246, 30174), (9447, 29532), (9729, 28676), (9844, 28341), (10058, 27738), (12596, 22149), (12972, 21507), (13869, 20116), (14338, 19458), (14766, 18894), (15087, 18492)]