201997040740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8423563}}^1$

素因数の和:8423692

約数の個数: 48

約数和(自身を含む): 467002388160

約数和(自身を除く): 265005347420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 23980, 8423563, 16847126, 33694252, 42117815, 84235630, 92659193, 168471260, 185318386, 370636772, 463295965, 918168367, 926591930, 1836336734, 1853183860, 3672673468, 4590841835, 9181683670, 10099852037, 18363367340, 20199704074, 40399408148, 50499260185, 100998520370, 201997040740]

約数ペア:

[(1, 201997040740), (2, 100998520370), (4, 50499260185), (5, 40399408148), (10, 20199704074), (11, 18363367340), (20, 10099852037), (22, 9181683670), (44, 4590841835), (55, 3672673468), (109, 1853183860), (110, 1836336734), (218, 926591930), (220, 918168367), (436, 463295965), (545, 370636772), (1090, 185318386), (1199, 168471260), (2180, 92659193), (2398, 84235630), (4796, 42117815), (5995, 33694252), (11990, 16847126), (23980, 8423563)]