205589916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:568

約数の個数: 144

約数和(自身を含む): 628992000

約数和(自身を除く): 423402084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 79, 84, 92, 126, 138, 158, 161, 207, 237, 252, 276, 316, 322, 414, 449, 474, 483, 553, 644, 711, 828, 898, 948, 966, 1106, 1347, 1422, 1449, 1659, 1796, 1817, 1932, 2212, 2694, 2844, 2898, 3143, 3318, 3634, 4041, 4977, 5388, 5451, 5796, 6286, 6636, 7268, 8082, 9429, 9954, 10327, 10902, 12572, 12719, 16164, 16353, 18858, 19908, 20654, 21804, 25438, 28287, 30981, 32706, 35471, 37716, 38157, 41308, 50876, 56574, 61962, 65412, 70942, 72289, 76314, 92943, 106413, 113148, 114471, 123924, 141884, 144578, 152628, 185886, 212826, 216867, 228942, 248297, 289156, 319239, 371772, 425652, 433734, 457884, 496594, 638478, 650601, 744891, 815833, 867468, 993188, 1276956, 1301202, 1489782, 1631666, 2234673, 2447499, 2602404, 2979564, 3263332, 4469346, 4894998, 5710831, 7342497, 8938692, 9789996, 11421662, 14684994, 17132493, 22843324, 29369988, 34264986, 51397479, 68529972, 102794958, 205589916]

約数ペア:

[(1, 205589916), (2, 102794958), (3, 68529972), (4, 51397479), (6, 34264986), (7, 29369988), (9, 22843324), (12, 17132493), (14, 14684994), (18, 11421662), (21, 9789996), (23, 8938692), (28, 7342497), (36, 5710831), (42, 4894998), (46, 4469346), (63, 3263332), (69, 2979564), (79, 2602404), (84, 2447499), (92, 2234673), (126, 1631666), (138, 1489782), (158, 1301202), (161, 1276956), (207, 993188), (237, 867468), (252, 815833), (276, 744891), (316, 650601), (322, 638478), (414, 496594), (449, 457884), (474, 433734), (483, 425652), (553, 371772), (644, 319239), (711, 289156), (828, 248297), (898, 228942), (948, 216867), (966, 212826), (1106, 185886), (1347, 152628), (1422, 144578), (1449, 141884), (1659, 123924), (1796, 114471), (1817, 113148), (1932, 106413), (2212, 92943), (2694, 76314), (2844, 72289), (2898, 70942), (3143, 65412), (3318, 61962), (3634, 56574), (4041, 50876), (4977, 41308), (5388, 38157), (5451, 37716), (5796, 35471), (6286, 32706), (6636, 30981), (7268, 28287), (8082, 25438), (9429, 21804), (9954, 20654), (10327, 19908), (10902, 18858), (12572, 16353), (12719, 16164)]