1891540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 4636800

約数和(自身を除く): 2745260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 229, 236, 295, 413, 458, 590, 826, 916, 1145, 1180, 1603, 1652, 2065, 2290, 3206, 4130, 4580, 6412, 8015, 8260, 13511, 16030, 27022, 32060, 54044, 67555, 94577, 135110, 189154, 270220, 378308, 472885, 945770, 1891540]

約数ペア:

[(1, 1891540), (2, 945770), (4, 472885), (5, 378308), (7, 270220), (10, 189154), (14, 135110), (20, 94577), (28, 67555), (35, 54044), (59, 32060), (70, 27022), (118, 16030), (140, 13511), (229, 8260), (236, 8015), (295, 6412), (413, 4580), (458, 4130), (590, 3206), (826, 2290), (916, 2065), (1145, 1652), (1180, 1603)]