840494382

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 256

約数和(自身を含む): 2378170368

約数和(自身を除く): 1537675986

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 23, 26, 31, 34, 39, 42, 46, 51, 62, 69, 78, 91, 93, 102, 119, 127, 138, 161, 182, 186, 217, 221, 238, 254, 273, 299, 322, 357, 381, 391, 403, 434, 442, 483, 527, 546, 598, 651, 663, 713, 714, 762, 782, 806, 889, 897, 966, 1054, 1173, 1209, 1302, 1326, 1426, 1547, 1581, 1651, 1778, 1794, 2093, 2139, 2159, 2346, 2418, 2667, 2737, 2821, 2921, 3094, 3162, 3302, 3689, 3937, 4186, 4278, 4318, 4641, 4953, 4991, 5083, 5334, 5474, 5642, 5842, 6279, 6477, 6851, 7378, 7874, 8211, 8463, 8763, 9269, 9282, 9906, 9982, 10166, 11067, 11557, 11811, 12121, 12558, 12954, 13702, 14973, 15113, 15249, 16422, 16926, 17526, 18538, 20447, 20553, 22134, 23114, 23622, 24242, 27559, 27807, 28067, 29946, 30226, 30498, 34671, 35581, 36363, 37973, 40894, 41106, 45339, 47957, 49657, 51181, 55118, 55614, 56134, 61341, 64883, 66929, 69342, 71162, 72726, 75946, 82677, 84201, 84847, 90551, 90678, 95914, 99314, 102362, 106743, 113919, 122682, 129766, 133858, 143871, 148971, 153543, 157573, 165354, 168402, 169694, 181102, 194649, 196469, 200787, 213486, 227838, 254541, 265811, 271653, 287742, 297942, 307086, 315146, 347599, 358267, 389298, 392938, 401574, 468503, 472719, 509082, 531622, 543306, 589407, 633857, 645541, 695198, 716534, 797433, 870077, 937006, 945438, 1042797, 1074801, 1103011, 1177163, 1178814, 1267714, 1291082, 1405509, 1539367, 1594866, 1740154, 1901571, 1936623, 2085594, 2149602, 2206022, 2354326, 2610231, 2811018, 3078734, 3309033, 3531489, 3803142, 3873246, 4518787, 4618101, 5220462, 6090539, 6618066, 7062978, 8240141, 9037574, 9236202, 10775569, 12181078, 13556361, 16480282, 18271617, 20011771, 21551138, 24720423, 27112722, 32326707, 36543234, 40023542, 49440846, 60035313, 64653414, 120070626, 140082397, 280164794, 420247191, 840494382]

約数ペア:

[(1, 840494382), (2, 420247191), (3, 280164794), (6, 140082397), (7, 120070626), (13, 64653414), (14, 60035313), (17, 49440846), (21, 40023542), (23, 36543234), (26, 32326707), (31, 27112722), (34, 24720423), (39, 21551138), (42, 20011771), (46, 18271617), (51, 16480282), (62, 13556361), (69, 12181078), (78, 10775569), (91, 9236202), (93, 9037574), (102, 8240141), (119, 7062978), (127, 6618066), (138, 6090539), (161, 5220462), (182, 4618101), (186, 4518787), (217, 3873246), (221, 3803142), (238, 3531489), (254, 3309033), (273, 3078734), (299, 2811018), (322, 2610231), (357, 2354326), (381, 2206022), (391, 2149602), (403, 2085594), (434, 1936623), (442, 1901571), (483, 1740154), (527, 1594866), (546, 1539367), (598, 1405509), (651, 1291082), (663, 1267714), (713, 1178814), (714, 1177163), (762, 1103011), (782, 1074801), (806, 1042797), (889, 945438), (897, 937006), (966, 870077), (1054, 797433), (1173, 716534), (1209, 695198), (1302, 645541), (1326, 633857), (1426, 589407), (1547, 543306), (1581, 531622), (1651, 509082), (1778, 472719), (1794, 468503), (2093, 401574), (2139, 392938), (2159, 389298), (2346, 358267), (2418, 347599), (2667, 315146), (2737, 307086), (2821, 297942), (2921, 287742), (3094, 271653), (3162, 265811), (3302, 254541), (3689, 227838), (3937, 213486), (4186, 200787), (4278, 196469), (4318, 194649), (4641, 181102), (4953, 169694), (4991, 168402), (5083, 165354), (5334, 157573), (5474, 153543), (5642, 148971), (5842, 143871), (6279, 133858), (6477, 129766), (6851, 122682), (7378, 113919), (7874, 106743), (8211, 102362), (8463, 99314), (8763, 95914), (9269, 90678), (9282, 90551), (9906, 84847), (9982, 84201), (10166, 82677), (11067, 75946), (11557, 72726), (11811, 71162), (12121, 69342), (12558, 66929), (12954, 64883), (13702, 61341), (14973, 56134), (15113, 55614), (15249, 55118), (16422, 51181), (16926, 49657), (17526, 47957), (18538, 45339), (20447, 41106), (20553, 40894), (22134, 37973), (23114, 36363), (23622, 35581), (24242, 34671), (27559, 30498), (27807, 30226), (28067, 29946)]