204928020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^2$

素因数の和:231

約数の個数: 162

約数和(自身を含む): 690379326

約数和(自身を除く): 485451306

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 97, 99, 110, 121, 132, 165, 180, 194, 198, 220, 242, 291, 330, 363, 388, 396, 484, 485, 495, 582, 605, 660, 726, 873, 970, 990, 1067, 1089, 1164, 1210, 1452, 1455, 1746, 1815, 1940, 1980, 2134, 2178, 2420, 2910, 3201, 3492, 3630, 4268, 4356, 4365, 5335, 5445, 5820, 6402, 7260, 8730, 9409, 9603, 10670, 10890, 11737, 12804, 16005, 17460, 18818, 19206, 21340, 21780, 23474, 28227, 32010, 35211, 37636, 38412, 46948, 47045, 48015, 56454, 58685, 64020, 70422, 84681, 94090, 96030, 103499, 105633, 112908, 117370, 140844, 141135, 169362, 176055, 188180, 192060, 206998, 211266, 234740, 282270, 310497, 338724, 352110, 413996, 422532, 423405, 517495, 528165, 564540, 620994, 704220, 846810, 931491, 1034990, 1056330, 1138489, 1241988, 1552485, 1693620, 1862982, 2069980, 2112660, 2276978, 3104970, 3415467, 3725964, 4553956, 4657455, 5692445, 6209940, 6830934, 9314910, 10246401, 11384890, 13661868, 17077335, 18629820, 20492802, 22769780, 34154670, 40985604, 51232005, 68309340, 102464010, 204928020]

約数ペア:

[(1, 204928020), (2, 102464010), (3, 68309340), (4, 51232005), (5, 40985604), (6, 34154670), (9, 22769780), (10, 20492802), (11, 18629820), (12, 17077335), (15, 13661868), (18, 11384890), (20, 10246401), (22, 9314910), (30, 6830934), (33, 6209940), (36, 5692445), (44, 4657455), (45, 4553956), (55, 3725964), (60, 3415467), (66, 3104970), (90, 2276978), (97, 2112660), (99, 2069980), (110, 1862982), (121, 1693620), (132, 1552485), (165, 1241988), (180, 1138489), (194, 1056330), (198, 1034990), (220, 931491), (242, 846810), (291, 704220), (330, 620994), (363, 564540), (388, 528165), (396, 517495), (484, 423405), (485, 422532), (495, 413996), (582, 352110), (605, 338724), (660, 310497), (726, 282270), (873, 234740), (970, 211266), (990, 206998), (1067, 192060), (1089, 188180), (1164, 176055), (1210, 169362), (1452, 141135), (1455, 140844), (1746, 117370), (1815, 112908), (1940, 105633), (1980, 103499), (2134, 96030), (2178, 94090), (2420, 84681), (2910, 70422), (3201, 64020), (3492, 58685), (3630, 56454), (4268, 48015), (4356, 47045), (4365, 46948), (5335, 38412), (5445, 37636), (5820, 35211), (6402, 32010), (7260, 28227), (8730, 23474), (9409, 21780), (9603, 21340), (10670, 19206), (10890, 18818), (11737, 17460), (12804, 16005)]