311949144

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1999

約数の個数: 160

約数和(自身を含む): 990990000

約数和(自身を除く): 679040856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 72, 76, 78, 81, 104, 108, 114, 117, 152, 156, 162, 171, 216, 228, 234, 247, 312, 324, 342, 351, 456, 468, 494, 513, 648, 684, 702, 741, 936, 988, 1026, 1053, 1368, 1404, 1482, 1539, 1949, 1976, 2052, 2106, 2223, 2808, 2964, 3078, 3898, 4104, 4212, 4446, 5847, 5928, 6156, 6669, 7796, 8424, 8892, 11694, 12312, 13338, 15592, 17541, 17784, 20007, 23388, 25337, 26676, 35082, 37031, 40014, 46776, 50674, 52623, 53352, 70164, 74062, 76011, 80028, 101348, 105246, 111093, 140328, 148124, 152022, 157869, 160056, 202696, 210492, 222186, 228033, 296248, 304044, 315738, 333279, 420984, 444372, 456066, 481403, 608088, 631476, 666558, 684099, 888744, 912132, 962806, 999837, 1262952, 1333116, 1368198, 1444209, 1824264, 1925612, 1999674, 2052297, 2666232, 2736396, 2888418, 2999511, 3851224, 3999348, 4104594, 4332627, 5472792, 5776836, 5999022, 7998696, 8209188, 8665254, 11553672, 11998044, 12997881, 16418376, 17330508, 23996088, 25995762, 34661016, 38993643, 51991524, 77987286, 103983048, 155974572, 311949144]

約数ペア:

[(1, 311949144), (2, 155974572), (3, 103983048), (4, 77987286), (6, 51991524), (8, 38993643), (9, 34661016), (12, 25995762), (13, 23996088), (18, 17330508), (19, 16418376), (24, 12997881), (26, 11998044), (27, 11553672), (36, 8665254), (38, 8209188), (39, 7998696), (52, 5999022), (54, 5776836), (57, 5472792), (72, 4332627), (76, 4104594), (78, 3999348), (81, 3851224), (104, 2999511), (108, 2888418), (114, 2736396), (117, 2666232), (152, 2052297), (156, 1999674), (162, 1925612), (171, 1824264), (216, 1444209), (228, 1368198), (234, 1333116), (247, 1262952), (312, 999837), (324, 962806), (342, 912132), (351, 888744), (456, 684099), (468, 666558), (494, 631476), (513, 608088), (648, 481403), (684, 456066), (702, 444372), (741, 420984), (936, 333279), (988, 315738), (1026, 304044), (1053, 296248), (1368, 228033), (1404, 222186), (1482, 210492), (1539, 202696), (1949, 160056), (1976, 157869), (2052, 152022), (2106, 148124), (2223, 140328), (2808, 111093), (2964, 105246), (3078, 101348), (3898, 80028), (4104, 76011), (4212, 74062), (4446, 70164), (5847, 53352), (5928, 52623), (6156, 50674), (6669, 46776), (7796, 40014), (8424, 37031), (8892, 35082), (11694, 26676), (12312, 25337), (13338, 23388), (15592, 20007), (17541, 17784)]