3978501560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^2$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 10195687080

約数和(自身を除く): 6217185520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 97, 110, 124, 155, 194, 220, 248, 310, 341, 388, 440, 485, 620, 682, 776, 961, 970, 1067, 1240, 1364, 1705, 1922, 1940, 2134, 2728, 3007, 3410, 3844, 3880, 4268, 4805, 5335, 6014, 6820, 7688, 8536, 9409, 9610, 10571, 10670, 12028, 13640, 15035, 18818, 19220, 21142, 21340, 24056, 30070, 33077, 37636, 38440, 42284, 42680, 47045, 52855, 60140, 66154, 75272, 84568, 93217, 94090, 103499, 105710, 120280, 132308, 165385, 186434, 188180, 206998, 211420, 264616, 291679, 330770, 372868, 376360, 413996, 422840, 466085, 517495, 583358, 661540, 745736, 827992, 932170, 1025387, 1034990, 1166716, 1323080, 1458395, 1864340, 2050774, 2069980, 2333432, 2916790, 3208469, 3728680, 4101548, 4139960, 5126935, 5833580, 6416938, 8203096, 9042049, 10253870, 11667160, 12833876, 16042345, 18084098, 20507740, 25667752, 32084690, 36168196, 41015480, 45210245, 64169380, 72336392, 90420490, 99462539, 128338760, 180840980, 198925078, 361681960, 397850156, 497312695, 795700312, 994625390, 1989250780, 3978501560]

約数ペア:

[(1, 3978501560), (2, 1989250780), (4, 994625390), (5, 795700312), (8, 497312695), (10, 397850156), (11, 361681960), (20, 198925078), (22, 180840980), (31, 128338760), (40, 99462539), (44, 90420490), (55, 72336392), (62, 64169380), (88, 45210245), (97, 41015480), (110, 36168196), (124, 32084690), (155, 25667752), (194, 20507740), (220, 18084098), (248, 16042345), (310, 12833876), (341, 11667160), (388, 10253870), (440, 9042049), (485, 8203096), (620, 6416938), (682, 5833580), (776, 5126935), (961, 4139960), (970, 4101548), (1067, 3728680), (1240, 3208469), (1364, 2916790), (1705, 2333432), (1922, 2069980), (1940, 2050774), (2134, 1864340), (2728, 1458395), (3007, 1323080), (3410, 1166716), (3844, 1034990), (3880, 1025387), (4268, 932170), (4805, 827992), (5335, 745736), (6014, 661540), (6820, 583358), (7688, 517495), (8536, 466085), (9409, 422840), (9610, 413996), (10571, 376360), (10670, 372868), (12028, 330770), (13640, 291679), (15035, 264616), (18818, 211420), (19220, 206998), (21142, 188180), (21340, 186434), (24056, 165385), (30070, 132308), (33077, 120280), (37636, 105710), (38440, 103499), (42284, 94090), (42680, 93217), (47045, 84568), (52855, 75272), (60140, 66154)]