205103556

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:279

約数の個数: 192

約数和(自身を含む): 650496000

約数和(自身を除く): 445392444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 109, 114, 126, 131, 133, 171, 189, 218, 228, 252, 262, 266, 327, 342, 378, 393, 399, 436, 513, 524, 532, 654, 684, 756, 763, 786, 798, 917, 981, 1026, 1179, 1197, 1308, 1526, 1572, 1596, 1834, 1962, 2052, 2071, 2289, 2358, 2394, 2489, 2751, 2943, 3052, 3537, 3591, 3668, 3924, 4142, 4578, 4716, 4788, 4978, 5502, 5886, 6213, 6867, 7074, 7182, 7467, 8253, 8284, 9156, 9956, 11004, 11772, 12426, 13734, 14148, 14279, 14364, 14497, 14934, 16506, 17423, 18639, 20601, 22401, 24759, 24852, 27468, 28558, 28994, 29868, 33012, 34846, 37278, 41202, 42837, 43491, 44802, 49518, 52269, 55917, 57116, 57988, 67203, 69692, 74556, 82404, 85674, 86982, 89604, 99036, 99953, 104538, 111834, 128511, 130473, 134406, 156807, 171348, 173964, 199906, 209076, 223668, 257022, 260946, 268812, 271301, 299859, 313614, 385533, 391419, 399812, 470421, 514044, 521892, 542602, 599718, 627228, 771066, 782838, 813903, 899577, 940842, 1085204, 1199436, 1542132, 1565676, 1627806, 1799154, 1881684, 1899107, 2441709, 2698731, 3255612, 3598308, 3798214, 4883418, 5397462, 5697321, 7325127, 7596428, 9766836, 10794924, 11394642, 14650254, 17091963, 22789284, 29300508, 34183926, 51275889, 68367852, 102551778, 205103556]

約数ペア:

[(1, 205103556), (2, 102551778), (3, 68367852), (4, 51275889), (6, 34183926), (7, 29300508), (9, 22789284), (12, 17091963), (14, 14650254), (18, 11394642), (19, 10794924), (21, 9766836), (27, 7596428), (28, 7325127), (36, 5697321), (38, 5397462), (42, 4883418), (54, 3798214), (57, 3598308), (63, 3255612), (76, 2698731), (84, 2441709), (108, 1899107), (109, 1881684), (114, 1799154), (126, 1627806), (131, 1565676), (133, 1542132), (171, 1199436), (189, 1085204), (218, 940842), (228, 899577), (252, 813903), (262, 782838), (266, 771066), (327, 627228), (342, 599718), (378, 542602), (393, 521892), (399, 514044), (436, 470421), (513, 399812), (524, 391419), (532, 385533), (654, 313614), (684, 299859), (756, 271301), (763, 268812), (786, 260946), (798, 257022), (917, 223668), (981, 209076), (1026, 199906), (1179, 173964), (1197, 171348), (1308, 156807), (1526, 134406), (1572, 130473), (1596, 128511), (1834, 111834), (1962, 104538), (2052, 99953), (2071, 99036), (2289, 89604), (2358, 86982), (2394, 85674), (2489, 82404), (2751, 74556), (2943, 69692), (3052, 67203), (3537, 57988), (3591, 57116), (3668, 55917), (3924, 52269), (4142, 49518), (4578, 44802), (4716, 43491), (4788, 42837), (4978, 41202), (5502, 37278), (5886, 34846), (6213, 33012), (6867, 29868), (7074, 28994), (7182, 28558), (7467, 27468), (8253, 24852), (8284, 24759), (9156, 22401), (9956, 20601), (11004, 18639), (11772, 17423), (12426, 16506), (13734, 14934), (14148, 14497), (14279, 14364)]