77431900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 211542016

約数和(自身を除く): 134110116

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 67, 70, 91, 100, 127, 130, 134, 140, 175, 182, 254, 260, 268, 325, 335, 350, 364, 455, 469, 508, 635, 650, 670, 700, 871, 889, 910, 938, 1270, 1300, 1340, 1651, 1675, 1742, 1778, 1820, 1876, 2275, 2345, 2540, 3175, 3302, 3350, 3484, 3556, 4355, 4445, 4550, 4690, 6097, 6350, 6604, 6700, 8255, 8509, 8710, 8890, 9100, 9380, 11557, 11725, 12194, 12700, 16510, 17018, 17420, 17780, 21775, 22225, 23114, 23450, 24388, 30485, 33020, 34036, 41275, 42545, 43550, 44450, 46228, 46900, 57785, 59563, 60970, 82550, 85090, 87100, 88900, 110617, 115570, 119126, 121940, 152425, 165100, 170180, 212725, 221234, 231140, 238252, 288925, 297815, 304850, 425450, 442468, 553085, 577850, 595630, 609700, 774319, 850900, 1106170, 1155700, 1191260, 1489075, 1548638, 2212340, 2765425, 2978150, 3097276, 3871595, 5530850, 5956300, 7743190, 11061700, 15486380, 19357975, 38715950, 77431900]

約数ペア:

[(1, 77431900), (2, 38715950), (4, 19357975), (5, 15486380), (7, 11061700), (10, 7743190), (13, 5956300), (14, 5530850), (20, 3871595), (25, 3097276), (26, 2978150), (28, 2765425), (35, 2212340), (50, 1548638), (52, 1489075), (65, 1191260), (67, 1155700), (70, 1106170), (91, 850900), (100, 774319), (127, 609700), (130, 595630), (134, 577850), (140, 553085), (175, 442468), (182, 425450), (254, 304850), (260, 297815), (268, 288925), (325, 238252), (335, 231140), (350, 221234), (364, 212725), (455, 170180), (469, 165100), (508, 152425), (635, 121940), (650, 119126), (670, 115570), (700, 110617), (871, 88900), (889, 87100), (910, 85090), (938, 82550), (1270, 60970), (1300, 59563), (1340, 57785), (1651, 46900), (1675, 46228), (1742, 44450), (1778, 43550), (1820, 42545), (1876, 41275), (2275, 34036), (2345, 33020), (2540, 30485), (3175, 24388), (3302, 23450), (3350, 23114), (3484, 22225), (3556, 21775), (4355, 17780), (4445, 17420), (4550, 17018), (4690, 16510), (6097, 12700), (6350, 12194), (6604, 11725), (6700, 11557), (8255, 9380), (8509, 9100), (8710, 8890)]