227752720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218993}}^1$

素因数の和:219019

約数の個数: 40

約数和(自身を含む): 570260376

約数和(自身を除く): 342507656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 218993, 437986, 875972, 1094965, 1751944, 2189930, 2846909, 3503888, 4379860, 5693818, 8759720, 11387636, 14234545, 17519440, 22775272, 28469090, 45550544, 56938180, 113876360, 227752720]

約数ペア:

[(1, 227752720), (2, 113876360), (4, 56938180), (5, 45550544), (8, 28469090), (10, 22775272), (13, 17519440), (16, 14234545), (20, 11387636), (26, 8759720), (40, 5693818), (52, 4379860), (65, 3503888), (80, 2846909), (104, 2189930), (130, 1751944), (208, 1094965), (260, 875972), (520, 437986), (1040, 218993)]