291220446920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1129}}^1\times {\mathrm{1693}}^1$

素因数の和:3139

約数の個数: 128

約数和(自身を含む): 709103656800

約数和(自身を除く): 417883209880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 293, 520, 586, 1129, 1172, 1465, 1693, 2258, 2344, 2930, 3386, 3809, 4516, 5645, 5860, 6772, 7618, 8465, 9032, 11290, 11720, 13544, 14677, 15236, 16930, 19045, 22009, 22580, 29354, 30472, 33860, 38090, 44018, 45160, 58708, 67720, 73385, 76180, 88036, 110045, 117416, 146770, 152360, 176072, 220090, 293540, 330797, 440180, 496049, 587080, 661594, 880360, 992098, 1323188, 1653985, 1911397, 1984196, 2480245, 2646376, 3307970, 3822794, 3968392, 4300361, 4960490, 6448637, 6615940, 7645588, 8600722, 9556985, 9920980, 12897274, 13231880, 15291176, 17201444, 19113970, 19841960, 21501805, 24848161, 25794548, 32243185, 34402888, 38227940, 43003610, 49696322, 51589096, 64486370, 76455880, 86007220, 99392644, 124240805, 128972740, 172014440, 198785288, 248481610, 257945480, 496963220, 560039321, 993926440, 1120078642, 2240157284, 2800196605, 4480314568, 5600393210, 7280511173, 11200786420, 14561022346, 22401572840, 29122044692, 36402555865, 58244089384, 72805111730, 145610223460, 291220446920]

約数ペア:

[(1, 291220446920), (2, 145610223460), (4, 72805111730), (5, 58244089384), (8, 36402555865), (10, 29122044692), (13, 22401572840), (20, 14561022346), (26, 11200786420), (40, 7280511173), (52, 5600393210), (65, 4480314568), (104, 2800196605), (130, 2240157284), (260, 1120078642), (293, 993926440), (520, 560039321), (586, 496963220), (1129, 257945480), (1172, 248481610), (1465, 198785288), (1693, 172014440), (2258, 128972740), (2344, 124240805), (2930, 99392644), (3386, 86007220), (3809, 76455880), (4516, 64486370), (5645, 51589096), (5860, 49696322), (6772, 43003610), (7618, 38227940), (8465, 34402888), (9032, 32243185), (11290, 25794548), (11720, 24848161), (13544, 21501805), (14677, 19841960), (15236, 19113970), (16930, 17201444), (19045, 15291176), (22009, 13231880), (22580, 12897274), (29354, 9920980), (30472, 9556985), (33860, 8600722), (38090, 7645588), (44018, 6615940), (45160, 6448637), (58708, 4960490), (67720, 4300361), (73385, 3968392), (76180, 3822794), (88036, 3307970), (110045, 2646376), (117416, 2480245), (146770, 1984196), (152360, 1911397), (176072, 1653985), (220090, 1323188), (293540, 992098), (330797, 880360), (440180, 661594), (496049, 587080)]