79992220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 211599360

約数和(自身を除く): 131607140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 127, 140, 154, 220, 254, 308, 385, 409, 508, 635, 770, 818, 889, 1270, 1397, 1540, 1636, 1778, 2045, 2540, 2794, 2863, 3556, 4090, 4445, 4499, 5588, 5726, 6985, 8180, 8890, 8998, 9779, 11452, 13970, 14315, 17780, 17996, 19558, 22495, 27940, 28630, 31493, 39116, 44990, 48895, 51943, 57260, 62986, 89980, 97790, 103886, 125972, 157465, 195580, 207772, 259715, 314930, 363601, 519430, 571373, 629860, 727202, 1038860, 1142746, 1454404, 1818005, 2285492, 2856865, 3636010, 3999611, 5713730, 7272020, 7999222, 11427460, 15998444, 19998055, 39996110, 79992220]

約数ペア:

[(1, 79992220), (2, 39996110), (4, 19998055), (5, 15998444), (7, 11427460), (10, 7999222), (11, 7272020), (14, 5713730), (20, 3999611), (22, 3636010), (28, 2856865), (35, 2285492), (44, 1818005), (55, 1454404), (70, 1142746), (77, 1038860), (110, 727202), (127, 629860), (140, 571373), (154, 519430), (220, 363601), (254, 314930), (308, 259715), (385, 207772), (409, 195580), (508, 157465), (635, 125972), (770, 103886), (818, 97790), (889, 89980), (1270, 62986), (1397, 57260), (1540, 51943), (1636, 48895), (1778, 44990), (2045, 39116), (2540, 31493), (2794, 28630), (2863, 27940), (3556, 22495), (4090, 19558), (4445, 17996), (4499, 17780), (5588, 14315), (5726, 13970), (6985, 11452), (8180, 9779), (8890, 8998)]