278688800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 741952512

約数和(自身を除く): 463263712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 127, 130, 160, 200, 208, 211, 254, 260, 325, 400, 416, 422, 508, 520, 635, 650, 800, 844, 1016, 1040, 1055, 1270, 1300, 1651, 1688, 2032, 2080, 2110, 2540, 2600, 2743, 3175, 3302, 3376, 4064, 4220, 5080, 5200, 5275, 5486, 6350, 6604, 6752, 8255, 8440, 10160, 10400, 10550, 10972, 12700, 13208, 13715, 16510, 16880, 20320, 21100, 21944, 25400, 26416, 26797, 27430, 33020, 33760, 41275, 42200, 43888, 50800, 52832, 53594, 54860, 66040, 68575, 82550, 84400, 87776, 101600, 107188, 109720, 132080, 133985, 137150, 165100, 168800, 214376, 219440, 264160, 267970, 274300, 330200, 348361, 428752, 438880, 535940, 548600, 660400, 669925, 696722, 857504, 1071880, 1097200, 1320800, 1339850, 1393444, 1741805, 2143760, 2194400, 2679700, 2786888, 3483610, 4287520, 5359400, 5573776, 6967220, 8709025, 10718800, 11147552, 13934440, 17418050, 21437600, 27868880, 34836100, 55737760, 69672200, 139344400, 278688800]

約数ペア:

[(1, 278688800), (2, 139344400), (4, 69672200), (5, 55737760), (8, 34836100), (10, 27868880), (13, 21437600), (16, 17418050), (20, 13934440), (25, 11147552), (26, 10718800), (32, 8709025), (40, 6967220), (50, 5573776), (52, 5359400), (65, 4287520), (80, 3483610), (100, 2786888), (104, 2679700), (127, 2194400), (130, 2143760), (160, 1741805), (200, 1393444), (208, 1339850), (211, 1320800), (254, 1097200), (260, 1071880), (325, 857504), (400, 696722), (416, 669925), (422, 660400), (508, 548600), (520, 535940), (635, 438880), (650, 428752), (800, 348361), (844, 330200), (1016, 274300), (1040, 267970), (1055, 264160), (1270, 219440), (1300, 214376), (1651, 168800), (1688, 165100), (2032, 137150), (2080, 133985), (2110, 132080), (2540, 109720), (2600, 107188), (2743, 101600), (3175, 87776), (3302, 84400), (3376, 82550), (4064, 68575), (4220, 66040), (5080, 54860), (5200, 53594), (5275, 52832), (5486, 50800), (6350, 43888), (6604, 42200), (6752, 41275), (8255, 33760), (8440, 33020), (10160, 27430), (10400, 26797), (10550, 26416), (10972, 25400), (12700, 21944), (13208, 21100), (13715, 20320), (16510, 16880)]