209349972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 594642048

約数和(自身を除く): 385292076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 101, 103, 117, 129, 156, 172, 202, 206, 234, 258, 303, 309, 387, 404, 412, 468, 516, 559, 606, 618, 774, 909, 927, 1118, 1212, 1236, 1313, 1339, 1548, 1677, 1818, 1854, 2236, 2626, 2678, 3354, 3636, 3708, 3939, 4017, 4343, 4429, 5031, 5252, 5356, 6708, 7878, 8034, 8686, 8858, 10062, 10403, 11817, 12051, 13029, 13287, 15756, 16068, 17372, 17716, 20124, 20806, 23634, 24102, 26058, 26574, 31209, 39087, 39861, 41612, 47268, 48204, 52116, 53148, 56459, 57577, 62418, 78174, 79722, 93627, 112918, 115154, 124836, 135239, 156348, 159444, 169377, 172731, 187254, 225836, 230308, 270478, 338754, 345462, 374508, 405717, 447329, 508131, 518193, 540956, 677508, 690924, 811434, 894658, 1016262, 1036386, 1217151, 1341987, 1622868, 1789316, 2032524, 2072772, 2434302, 2683974, 4025961, 4868604, 5367948, 5815277, 8051922, 11630554, 16103844, 17445831, 23261108, 34891662, 52337493, 69783324, 104674986, 209349972]

約数ペア:

[(1, 209349972), (2, 104674986), (3, 69783324), (4, 52337493), (6, 34891662), (9, 23261108), (12, 17445831), (13, 16103844), (18, 11630554), (26, 8051922), (36, 5815277), (39, 5367948), (43, 4868604), (52, 4025961), (78, 2683974), (86, 2434302), (101, 2072772), (103, 2032524), (117, 1789316), (129, 1622868), (156, 1341987), (172, 1217151), (202, 1036386), (206, 1016262), (234, 894658), (258, 811434), (303, 690924), (309, 677508), (387, 540956), (404, 518193), (412, 508131), (468, 447329), (516, 405717), (559, 374508), (606, 345462), (618, 338754), (774, 270478), (909, 230308), (927, 225836), (1118, 187254), (1212, 172731), (1236, 169377), (1313, 159444), (1339, 156348), (1548, 135239), (1677, 124836), (1818, 115154), (1854, 112918), (2236, 93627), (2626, 79722), (2678, 78174), (3354, 62418), (3636, 57577), (3708, 56459), (3939, 53148), (4017, 52116), (4343, 48204), (4429, 47268), (5031, 41612), (5252, 39861), (5356, 39087), (6708, 31209), (7878, 26574), (8034, 26058), (8686, 24102), (8858, 23634), (10062, 20806), (10403, 20124), (11817, 17716), (12051, 17372), (13029, 16068), (13287, 15756)]