290081008

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{36479}}^1$

素因数の和:36565

約数の個数: 40

約数和(自身を含む): 651386880

約数和(自身を除く): 361305872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 36479, 72958, 145916, 255353, 291832, 510706, 583664, 1021412, 2042824, 2590009, 4085648, 5180018, 10360036, 18130063, 20720072, 36260126, 41440144, 72520252, 145040504, 290081008]

約数ペア:

[(1, 290081008), (2, 145040504), (4, 72520252), (7, 41440144), (8, 36260126), (14, 20720072), (16, 18130063), (28, 10360036), (56, 5180018), (71, 4085648), (112, 2590009), (142, 2042824), (284, 1021412), (497, 583664), (568, 510706), (994, 291832), (1136, 255353), (1988, 145916), (3976, 72958), (7952, 36479)]