359331440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{345511}}^1$

素因数の和:345537

約数の個数: 40

約数和(自身を含む): 899713248

約数和(自身を除く): 540381808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 345511, 691022, 1382044, 1727555, 2764088, 3455110, 4491643, 5528176, 6910220, 8983286, 13820440, 17966572, 22458215, 27640880, 35933144, 44916430, 71866288, 89832860, 179665720, 359331440]

約数ペア:

[(1, 359331440), (2, 179665720), (4, 89832860), (5, 71866288), (8, 44916430), (10, 35933144), (13, 27640880), (16, 22458215), (20, 17966572), (26, 13820440), (40, 8983286), (52, 6910220), (65, 5528176), (80, 4491643), (104, 3455110), (130, 2764088), (208, 1727555), (260, 1382044), (520, 691022), (1040, 345511)]