243669820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 556351488

約数和(自身を除く): 312681668

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 97, 115, 127, 172, 194, 215, 230, 254, 388, 430, 460, 485, 508, 635, 860, 970, 989, 1270, 1940, 1978, 2231, 2540, 2921, 3956, 4171, 4462, 4945, 5461, 5842, 8342, 8924, 9890, 10922, 11155, 11684, 12319, 14605, 16684, 19780, 20855, 21844, 22310, 24638, 27305, 29210, 41710, 44620, 49276, 54610, 58420, 61595, 83420, 95933, 109220, 123190, 125603, 191866, 246380, 251206, 283337, 383732, 479665, 502412, 529717, 566674, 628015, 959330, 1059434, 1133348, 1256030, 1416685, 1918660, 2118868, 2512060, 2648585, 2833370, 5297170, 5666740, 10594340, 12183491, 24366982, 48733964, 60917455, 121834910, 243669820]

約数ペア:

[(1, 243669820), (2, 121834910), (4, 60917455), (5, 48733964), (10, 24366982), (20, 12183491), (23, 10594340), (43, 5666740), (46, 5297170), (86, 2833370), (92, 2648585), (97, 2512060), (115, 2118868), (127, 1918660), (172, 1416685), (194, 1256030), (215, 1133348), (230, 1059434), (254, 959330), (388, 628015), (430, 566674), (460, 529717), (485, 502412), (508, 479665), (635, 383732), (860, 283337), (970, 251206), (989, 246380), (1270, 191866), (1940, 125603), (1978, 123190), (2231, 109220), (2540, 95933), (2921, 83420), (3956, 61595), (4171, 58420), (4462, 54610), (4945, 49276), (5461, 44620), (5842, 41710), (8342, 29210), (8924, 27305), (9890, 24638), (10922, 22310), (11155, 21844), (11684, 20855), (12319, 19780), (14605, 16684)]