290410288

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{136471}}^1$

素因数の和:136505

約数の個数: 40

約数和(自身を含む): 676901120

約数和(自身を除く): 386490832

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 136471, 272942, 545884, 955297, 1091768, 1910594, 2183536, 2592949, 3821188, 5185898, 7642376, 10371796, 15284752, 18150643, 20743592, 36301286, 41487184, 72602572, 145205144, 290410288]

約数ペア:

[(1, 290410288), (2, 145205144), (4, 72602572), (7, 41487184), (8, 36301286), (14, 20743592), (16, 18150643), (19, 15284752), (28, 10371796), (38, 7642376), (56, 5185898), (76, 3821188), (112, 2592949), (133, 2183536), (152, 1910594), (266, 1091768), (304, 955297), (532, 545884), (1064, 272942), (2128, 136471)]