261089080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9613}}^1$

素因数の和:9728

約数の個数: 64

約数和(自身を含む): 678363840

約数和(自身を除く): 417274760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3395, 3880, 5432, 6790, 9613, 13580, 19226, 27160, 38452, 48065, 67291, 76904, 96130, 134582, 192260, 269164, 336455, 384520, 538328, 672910, 932461, 1345820, 1864922, 2691640, 3729844, 4662305, 6527227, 7459688, 9324610, 13054454, 18649220, 26108908, 32636135, 37298440, 52217816, 65272270, 130544540, 261089080]

約数ペア:

[(1, 261089080), (2, 130544540), (4, 65272270), (5, 52217816), (7, 37298440), (8, 32636135), (10, 26108908), (14, 18649220), (20, 13054454), (28, 9324610), (35, 7459688), (40, 6527227), (56, 4662305), (70, 3729844), (97, 2691640), (140, 1864922), (194, 1345820), (280, 932461), (388, 672910), (485, 538328), (679, 384520), (776, 336455), (970, 269164), (1358, 192260), (1940, 134582), (2716, 96130), (3395, 76904), (3880, 67291), (5432, 48065), (6790, 38452), (9613, 27160), (13580, 19226)]