278198874

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 120

約数和(自身を含む): 677131488

約数和(自身を除く): 398932614

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 67, 71, 81, 114, 134, 142, 162, 171, 201, 213, 342, 361, 402, 426, 513, 603, 639, 722, 1026, 1083, 1206, 1273, 1278, 1349, 1539, 1809, 1917, 2166, 2546, 2698, 3078, 3249, 3618, 3819, 3834, 4047, 4757, 5427, 5751, 6498, 7638, 8094, 9514, 9747, 10854, 11457, 11502, 12141, 14271, 19494, 22914, 24187, 24282, 25631, 28542, 29241, 34371, 36423, 42813, 48374, 51262, 58482, 68742, 72561, 72846, 76893, 85626, 90383, 103113, 109269, 128439, 145122, 153786, 180766, 206226, 217683, 218538, 230679, 256878, 271149, 385317, 435366, 461358, 542298, 653049, 692037, 770634, 813447, 1306098, 1384074, 1626894, 1717277, 1959147, 2076111, 2440341, 3434554, 3918294, 4152222, 4880682, 5151831, 7321023, 10303662, 14642046, 15455493, 30910986, 46366479, 92732958, 139099437, 278198874]

約数ペア:

[(1, 278198874), (2, 139099437), (3, 92732958), (6, 46366479), (9, 30910986), (18, 15455493), (19, 14642046), (27, 10303662), (38, 7321023), (54, 5151831), (57, 4880682), (67, 4152222), (71, 3918294), (81, 3434554), (114, 2440341), (134, 2076111), (142, 1959147), (162, 1717277), (171, 1626894), (201, 1384074), (213, 1306098), (342, 813447), (361, 770634), (402, 692037), (426, 653049), (513, 542298), (603, 461358), (639, 435366), (722, 385317), (1026, 271149), (1083, 256878), (1206, 230679), (1273, 218538), (1278, 217683), (1349, 206226), (1539, 180766), (1809, 153786), (1917, 145122), (2166, 128439), (2546, 109269), (2698, 103113), (3078, 90383), (3249, 85626), (3618, 76893), (3819, 72846), (3834, 72561), (4047, 68742), (4757, 58482), (5427, 51262), (5751, 48374), (6498, 42813), (7638, 36423), (8094, 34371), (9514, 29241), (9747, 28542), (10854, 25631), (11457, 24282), (11502, 24187), (12141, 22914), (14271, 19494)]