268571440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197479}}^1$

素因数の和:197509

約数の個数: 40

約数和(自身を含む): 661163040

約数和(自身を除く): 392591600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 197479, 394958, 789916, 987395, 1579832, 1974790, 3159664, 3357143, 3949580, 6714286, 7899160, 13428572, 15798320, 16785715, 26857144, 33571430, 53714288, 67142860, 134285720, 268571440]

約数ペア:

[(1, 268571440), (2, 134285720), (4, 67142860), (5, 53714288), (8, 33571430), (10, 26857144), (16, 16785715), (17, 15798320), (20, 13428572), (34, 7899160), (40, 6714286), (68, 3949580), (80, 3357143), (85, 3159664), (136, 1974790), (170, 1579832), (272, 987395), (340, 789916), (680, 394958), (1360, 197479)]