208676240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 548536320

約数和(自身を除く): 339860080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 47, 76, 80, 92, 94, 95, 115, 127, 152, 184, 188, 190, 230, 235, 254, 304, 368, 376, 380, 437, 460, 470, 508, 635, 752, 760, 874, 893, 920, 940, 1016, 1081, 1270, 1520, 1748, 1786, 1840, 1880, 2032, 2162, 2185, 2413, 2540, 2921, 3496, 3572, 3760, 4324, 4370, 4465, 4826, 5080, 5405, 5842, 5969, 6992, 7144, 8648, 8740, 8930, 9652, 10160, 10810, 11684, 11938, 12065, 14288, 14605, 17296, 17480, 17860, 19304, 20539, 21620, 23368, 23876, 24130, 29210, 29845, 34960, 35720, 38608, 41078, 43240, 46736, 47752, 48260, 55499, 58420, 59690, 71440, 82156, 86480, 95504, 96520, 102695, 110998, 113411, 116840, 119380, 137287, 164312, 193040, 205390, 221996, 226822, 233680, 238760, 274574, 277495, 328624, 410780, 443992, 453644, 477520, 549148, 554990, 567055, 686435, 821560, 887984, 907288, 1098296, 1109980, 1134110, 1372870, 1643120, 1814576, 2196592, 2219960, 2268220, 2608453, 2745740, 4439920, 4536440, 5216906, 5491480, 9072880, 10433812, 10982960, 13042265, 20867624, 26084530, 41735248, 52169060, 104338120, 208676240]

約数ペア:

[(1, 208676240), (2, 104338120), (4, 52169060), (5, 41735248), (8, 26084530), (10, 20867624), (16, 13042265), (19, 10982960), (20, 10433812), (23, 9072880), (38, 5491480), (40, 5216906), (46, 4536440), (47, 4439920), (76, 2745740), (80, 2608453), (92, 2268220), (94, 2219960), (95, 2196592), (115, 1814576), (127, 1643120), (152, 1372870), (184, 1134110), (188, 1109980), (190, 1098296), (230, 907288), (235, 887984), (254, 821560), (304, 686435), (368, 567055), (376, 554990), (380, 549148), (437, 477520), (460, 453644), (470, 443992), (508, 410780), (635, 328624), (752, 277495), (760, 274574), (874, 238760), (893, 233680), (920, 226822), (940, 221996), (1016, 205390), (1081, 193040), (1270, 164312), (1520, 137287), (1748, 119380), (1786, 116840), (1840, 113411), (1880, 110998), (2032, 102695), (2162, 96520), (2185, 95504), (2413, 86480), (2540, 82156), (2921, 71440), (3496, 59690), (3572, 58420), (3760, 55499), (4324, 48260), (4370, 47752), (4465, 46736), (4826, 43240), (5080, 41078), (5405, 38608), (5842, 35720), (5969, 34960), (6992, 29845), (7144, 29210), (8648, 24130), (8740, 23876), (8930, 23368), (9652, 21620), (10160, 20539), (10810, 19304), (11684, 17860), (11938, 17480), (12065, 17296), (14288, 14605)]