280883988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1082

約数の個数: 144

約数和(自身を含む): 894426624

約数和(自身を除く): 613542636

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 107, 126, 132, 154, 198, 214, 231, 252, 308, 321, 396, 428, 462, 642, 693, 749, 924, 947, 963, 1177, 1284, 1386, 1498, 1894, 1926, 2247, 2354, 2772, 2841, 2996, 3531, 3788, 3852, 4494, 4708, 5682, 6629, 6741, 7062, 8239, 8523, 8988, 10417, 10593, 11364, 13258, 13482, 14124, 16478, 17046, 19887, 20834, 21186, 24717, 26516, 26964, 31251, 32956, 34092, 39774, 41668, 42372, 49434, 59661, 62502, 72919, 74151, 79548, 93753, 98868, 101329, 119322, 125004, 145838, 148302, 187506, 202658, 218757, 238644, 291676, 296604, 303987, 375012, 405316, 437514, 607974, 656271, 709303, 875028, 911961, 1114619, 1215948, 1312542, 1418606, 1823922, 2127909, 2229238, 2625084, 2837212, 3343857, 3647844, 4255818, 4458476, 6383727, 6687714, 7802333, 8511636, 10031571, 12767454, 13375428, 15604666, 20063142, 23406999, 25534908, 31209332, 40126284, 46813998, 70220997, 93627996, 140441994, 280883988]

約数ペア:

[(1, 280883988), (2, 140441994), (3, 93627996), (4, 70220997), (6, 46813998), (7, 40126284), (9, 31209332), (11, 25534908), (12, 23406999), (14, 20063142), (18, 15604666), (21, 13375428), (22, 12767454), (28, 10031571), (33, 8511636), (36, 7802333), (42, 6687714), (44, 6383727), (63, 4458476), (66, 4255818), (77, 3647844), (84, 3343857), (99, 2837212), (107, 2625084), (126, 2229238), (132, 2127909), (154, 1823922), (198, 1418606), (214, 1312542), (231, 1215948), (252, 1114619), (308, 911961), (321, 875028), (396, 709303), (428, 656271), (462, 607974), (642, 437514), (693, 405316), (749, 375012), (924, 303987), (947, 296604), (963, 291676), (1177, 238644), (1284, 218757), (1386, 202658), (1498, 187506), (1894, 148302), (1926, 145838), (2247, 125004), (2354, 119322), (2772, 101329), (2841, 98868), (2996, 93753), (3531, 79548), (3788, 74151), (3852, 72919), (4494, 62502), (4708, 59661), (5682, 49434), (6629, 42372), (6741, 41668), (7062, 39774), (8239, 34092), (8523, 32956), (8988, 31251), (10417, 26964), (10593, 26516), (11364, 24717), (13258, 21186), (13482, 20834), (14124, 19887), (16478, 17046)]