1990223352

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:435

約数の個数: 256

約数和(自身を含む): 6227020800

約数和(自身を除く): 4236797448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 53, 54, 72, 78, 86, 104, 106, 108, 117, 129, 156, 159, 172, 212, 216, 234, 258, 311, 312, 318, 344, 351, 387, 424, 468, 477, 516, 559, 622, 636, 689, 702, 774, 933, 936, 954, 1032, 1118, 1161, 1244, 1272, 1378, 1404, 1431, 1548, 1677, 1866, 1908, 2067, 2236, 2279, 2322, 2488, 2756, 2799, 2808, 2862, 3096, 3354, 3732, 3816, 4043, 4134, 4472, 4558, 4644, 5031, 5512, 5598, 5724, 6201, 6708, 6837, 7464, 8086, 8268, 8397, 9116, 9288, 10062, 11196, 11448, 12129, 12402, 13373, 13416, 13674, 15093, 16172, 16483, 16536, 16794, 18232, 18603, 20124, 20511, 22392, 24258, 24804, 26746, 27348, 29627, 30186, 32344, 32966, 33588, 36387, 37206, 40119, 40248, 41022, 48516, 49449, 49608, 53492, 54696, 59254, 60372, 61533, 65932, 67176, 72774, 74412, 80238, 82044, 88881, 97032, 98898, 106984, 109161, 118508, 120357, 120744, 123066, 131864, 145548, 148347, 148824, 160476, 164088, 173849, 177762, 197796, 214279, 218322, 237016, 240714, 246132, 266643, 291096, 296694, 320952, 347698, 355524, 361071, 395592, 428558, 436644, 445041, 481428, 492264, 521547, 533286, 593388, 642837, 695396, 708769, 711048, 722142, 799929, 857116, 873288, 890082, 962856, 1043094, 1066572, 1186776, 1285674, 1390792, 1417538, 1444284, 1564641, 1599858, 1714232, 1780164, 1928511, 2086188, 2126307, 2133144, 2571348, 2835076, 2888568, 3129282, 3199716, 3560328, 3857022, 4172376, 4252614, 4693923, 5142696, 5670152, 5785533, 6258564, 6378921, 6399432, 7714044, 8505228, 9213997, 9387846, 11571066, 12517128, 12757842, 15428088, 17010456, 18427994, 18775692, 19136763, 23142132, 25515684, 27641991, 36855988, 37551384, 38273526, 46284264, 51031368, 55283982, 73711976, 76547052, 82925973, 110567964, 153094104, 165851946, 221135928, 248777919, 331703892, 497555838, 663407784, 995111676, 1990223352]

約数ペア:

[(1, 1990223352), (2, 995111676), (3, 663407784), (4, 497555838), (6, 331703892), (8, 248777919), (9, 221135928), (12, 165851946), (13, 153094104), (18, 110567964), (24, 82925973), (26, 76547052), (27, 73711976), (36, 55283982), (39, 51031368), (43, 46284264), (52, 38273526), (53, 37551384), (54, 36855988), (72, 27641991), (78, 25515684), (86, 23142132), (104, 19136763), (106, 18775692), (108, 18427994), (117, 17010456), (129, 15428088), (156, 12757842), (159, 12517128), (172, 11571066), (212, 9387846), (216, 9213997), (234, 8505228), (258, 7714044), (311, 6399432), (312, 6378921), (318, 6258564), (344, 5785533), (351, 5670152), (387, 5142696), (424, 4693923), (468, 4252614), (477, 4172376), (516, 3857022), (559, 3560328), (622, 3199716), (636, 3129282), (689, 2888568), (702, 2835076), (774, 2571348), (933, 2133144), (936, 2126307), (954, 2086188), (1032, 1928511), (1118, 1780164), (1161, 1714232), (1244, 1599858), (1272, 1564641), (1378, 1444284), (1404, 1417538), (1431, 1390792), (1548, 1285674), (1677, 1186776), (1866, 1066572), (1908, 1043094), (2067, 962856), (2236, 890082), (2279, 873288), (2322, 857116), (2488, 799929), (2756, 722142), (2799, 711048), (2808, 708769), (2862, 695396), (3096, 642837), (3354, 593388), (3732, 533286), (3816, 521547), (4043, 492264), (4134, 481428), (4472, 445041), (4558, 436644), (4644, 428558), (5031, 395592), (5512, 361071), (5598, 355524), (5724, 347698), (6201, 320952), (6708, 296694), (6837, 291096), (7464, 266643), (8086, 246132), (8268, 240714), (8397, 237016), (9116, 218322), (9288, 214279), (10062, 197796), (11196, 177762), (11448, 173849), (12129, 164088), (12402, 160476), (13373, 148824), (13416, 148347), (13674, 145548), (15093, 131864), (16172, 123066), (16483, 120744), (16536, 120357), (16794, 118508), (18232, 109161), (18603, 106984), (20124, 98898), (20511, 97032), (22392, 88881), (24258, 82044), (24804, 80238), (26746, 74412), (27348, 72774), (29627, 67176), (30186, 65932), (32344, 61533), (32966, 60372), (33588, 59254), (36387, 54696), (37206, 53492), (40119, 49608), (40248, 49449), (41022, 48516)]