638928290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 256

約数和(自身を含む): 1672151040

約数和(自身を除く): 1033222750

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 29, 31, 35, 55, 58, 62, 65, 70, 71, 77, 91, 110, 130, 142, 143, 145, 154, 155, 182, 203, 217, 286, 290, 310, 319, 341, 355, 377, 385, 403, 406, 434, 455, 497, 638, 682, 710, 715, 754, 770, 781, 806, 899, 910, 923, 994, 1001, 1015, 1085, 1430, 1562, 1595, 1705, 1798, 1846, 1885, 2002, 2015, 2030, 2059, 2170, 2201, 2233, 2387, 2485, 2639, 2821, 3190, 3410, 3770, 3905, 4030, 4118, 4147, 4402, 4433, 4466, 4495, 4615, 4774, 4970, 5005, 5278, 5467, 5642, 6293, 6461, 7810, 8294, 8866, 8990, 9230, 9889, 10010, 10153, 10295, 10934, 11005, 11165, 11687, 11935, 12586, 12922, 13195, 14105, 14413, 15407, 19778, 20306, 20590, 20735, 22010, 22165, 22330, 22649, 23374, 23870, 24211, 26390, 26767, 27335, 28210, 28613, 28826, 29029, 30814, 31031, 31465, 32305, 41470, 44330, 45298, 48422, 49445, 50765, 53534, 54670, 57226, 58058, 58435, 62062, 62930, 63829, 64610, 69223, 71071, 72065, 77035, 81809, 98890, 101530, 113245, 116870, 121055, 127658, 128557, 133835, 138446, 142142, 143065, 144130, 145145, 154070, 155155, 158543, 163618, 169477, 187369, 200291, 226490, 242110, 257114, 267670, 286130, 290290, 294437, 310310, 314743, 317086, 319145, 338954, 346115, 355355, 374738, 400582, 409045, 446803, 588874, 629486, 638290, 642785, 692230, 702119, 710710, 792715, 818090, 829777, 847385, 893606, 899899, 936845, 1001455, 1285570, 1404238, 1472185, 1573715, 1585430, 1659554, 1694770, 1799798, 1873690, 2002910, 2061059, 2203201, 2234015, 2944370, 3147430, 3510595, 4122118, 4148885, 4406402, 4468030, 4499495, 4914833, 5808439, 7021190, 8297770, 8998990, 9127547, 9829666, 10305295, 11016005, 11616878, 18255094, 20610590, 22032010, 24574165, 29042195, 45637735, 49148330, 58084390, 63892829, 91275470, 127785658, 319464145, 638928290]

約数ペア:

[(1, 638928290), (2, 319464145), (5, 127785658), (7, 91275470), (10, 63892829), (11, 58084390), (13, 49148330), (14, 45637735), (22, 29042195), (26, 24574165), (29, 22032010), (31, 20610590), (35, 18255094), (55, 11616878), (58, 11016005), (62, 10305295), (65, 9829666), (70, 9127547), (71, 8998990), (77, 8297770), (91, 7021190), (110, 5808439), (130, 4914833), (142, 4499495), (143, 4468030), (145, 4406402), (154, 4148885), (155, 4122118), (182, 3510595), (203, 3147430), (217, 2944370), (286, 2234015), (290, 2203201), (310, 2061059), (319, 2002910), (341, 1873690), (355, 1799798), (377, 1694770), (385, 1659554), (403, 1585430), (406, 1573715), (434, 1472185), (455, 1404238), (497, 1285570), (638, 1001455), (682, 936845), (710, 899899), (715, 893606), (754, 847385), (770, 829777), (781, 818090), (806, 792715), (899, 710710), (910, 702119), (923, 692230), (994, 642785), (1001, 638290), (1015, 629486), (1085, 588874), (1430, 446803), (1562, 409045), (1595, 400582), (1705, 374738), (1798, 355355), (1846, 346115), (1885, 338954), (2002, 319145), (2015, 317086), (2030, 314743), (2059, 310310), (2170, 294437), (2201, 290290), (2233, 286130), (2387, 267670), (2485, 257114), (2639, 242110), (2821, 226490), (3190, 200291), (3410, 187369), (3770, 169477), (3905, 163618), (4030, 158543), (4118, 155155), (4147, 154070), (4402, 145145), (4433, 144130), (4466, 143065), (4495, 142142), (4615, 138446), (4774, 133835), (4970, 128557), (5005, 127658), (5278, 121055), (5467, 116870), (5642, 113245), (6293, 101530), (6461, 98890), (7810, 81809), (8294, 77035), (8866, 72065), (8990, 71071), (9230, 69223), (9889, 64610), (10010, 63829), (10153, 62930), (10295, 62062), (10934, 58435), (11005, 58058), (11165, 57226), (11687, 54670), (11935, 53534), (12586, 50765), (12922, 49445), (13195, 48422), (14105, 45298), (14413, 44330), (15407, 41470), (19778, 32305), (20306, 31465), (20590, 31031), (20735, 30814), (22010, 29029), (22165, 28826), (22330, 28613), (22649, 28210), (23374, 27335), (23870, 26767), (24211, 26390)]