1990919196

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1783}}^1$

素因数の和:2021

約数の個数: 144

約数和(自身を含む): 6036199680

約数和(自身を除く): 4045280484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 211, 252, 294, 378, 422, 441, 588, 633, 756, 844, 882, 1266, 1323, 1477, 1764, 1783, 1899, 2532, 2646, 2954, 3566, 3798, 4431, 5292, 5349, 5697, 5908, 7132, 7596, 8862, 10339, 10698, 11394, 12481, 13293, 16047, 17724, 20678, 21396, 22788, 24962, 26586, 31017, 32094, 37443, 39879, 41356, 48141, 49924, 53172, 62034, 64188, 74886, 79758, 87367, 93051, 96282, 112329, 124068, 149772, 159516, 174734, 186102, 192564, 224658, 262101, 279153, 336987, 349468, 372204, 376213, 449316, 524202, 558306, 673974, 752426, 786303, 1048404, 1116612, 1128639, 1347948, 1504852, 1572606, 2257278, 2358909, 2633491, 3145212, 3385917, 4514556, 4717818, 5266982, 6771834, 7900473, 9435636, 10157751, 10533964, 13543668, 15800946, 18434437, 20315502, 23701419, 31601892, 36868874, 40631004, 47402838, 55303311, 71104257, 73737748, 94805676, 110606622, 142208514, 165909933, 221213244, 284417028, 331819866, 497729799, 663639732, 995459598, 1990919196]

約数ペア:

[(1, 1990919196), (2, 995459598), (3, 663639732), (4, 497729799), (6, 331819866), (7, 284417028), (9, 221213244), (12, 165909933), (14, 142208514), (18, 110606622), (21, 94805676), (27, 73737748), (28, 71104257), (36, 55303311), (42, 47402838), (49, 40631004), (54, 36868874), (63, 31601892), (84, 23701419), (98, 20315502), (108, 18434437), (126, 15800946), (147, 13543668), (189, 10533964), (196, 10157751), (211, 9435636), (252, 7900473), (294, 6771834), (378, 5266982), (422, 4717818), (441, 4514556), (588, 3385917), (633, 3145212), (756, 2633491), (844, 2358909), (882, 2257278), (1266, 1572606), (1323, 1504852), (1477, 1347948), (1764, 1128639), (1783, 1116612), (1899, 1048404), (2532, 786303), (2646, 752426), (2954, 673974), (3566, 558306), (3798, 524202), (4431, 449316), (5292, 376213), (5349, 372204), (5697, 349468), (5908, 336987), (7132, 279153), (7596, 262101), (8862, 224658), (10339, 192564), (10698, 186102), (11394, 174734), (12481, 159516), (13293, 149772), (16047, 124068), (17724, 112329), (20678, 96282), (21396, 93051), (22788, 87367), (24962, 79758), (26586, 74886), (31017, 64188), (32094, 62034), (37443, 53172), (39879, 49924), (41356, 48141)]