231289884

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 722534400

約数和(自身を除く): 491244516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 71, 84, 93, 108, 124, 126, 139, 142, 186, 189, 213, 217, 252, 278, 279, 284, 372, 378, 417, 426, 434, 497, 556, 558, 639, 651, 756, 834, 837, 852, 868, 973, 994, 1116, 1251, 1278, 1302, 1491, 1668, 1674, 1917, 1946, 1953, 1988, 2201, 2502, 2556, 2604, 2919, 2982, 3348, 3753, 3834, 3892, 3906, 4309, 4402, 4473, 5004, 5838, 5859, 5964, 6603, 7506, 7668, 7812, 8618, 8757, 8804, 8946, 9869, 11676, 11718, 12927, 13206, 13419, 15012, 15407, 17236, 17514, 17892, 19738, 19809, 23436, 25854, 26271, 26412, 26838, 29607, 30163, 30814, 35028, 38781, 39476, 39618, 46221, 51708, 52542, 53676, 59214, 59427, 60326, 61628, 69083, 77562, 79236, 88821, 90489, 92442, 105084, 116343, 118428, 118854, 120652, 138166, 138663, 155124, 177642, 180978, 184884, 207249, 232686, 237708, 266463, 271467, 276332, 277326, 305939, 355284, 361956, 414498, 415989, 465372, 532926, 542934, 554652, 611878, 621747, 814401, 828996, 831978, 917817, 1065852, 1085868, 1223756, 1243494, 1628802, 1663956, 1835634, 1865241, 2141573, 2486988, 2753451, 3257604, 3671268, 3730482, 4283146, 5506902, 6424719, 7460964, 8260353, 8566292, 11013804, 12849438, 16520706, 19274157, 25698876, 33041412, 38548314, 57822471, 77096628, 115644942, 231289884]

約数ペア:

[(1, 231289884), (2, 115644942), (3, 77096628), (4, 57822471), (6, 38548314), (7, 33041412), (9, 25698876), (12, 19274157), (14, 16520706), (18, 12849438), (21, 11013804), (27, 8566292), (28, 8260353), (31, 7460964), (36, 6424719), (42, 5506902), (54, 4283146), (62, 3730482), (63, 3671268), (71, 3257604), (84, 2753451), (93, 2486988), (108, 2141573), (124, 1865241), (126, 1835634), (139, 1663956), (142, 1628802), (186, 1243494), (189, 1223756), (213, 1085868), (217, 1065852), (252, 917817), (278, 831978), (279, 828996), (284, 814401), (372, 621747), (378, 611878), (417, 554652), (426, 542934), (434, 532926), (497, 465372), (556, 415989), (558, 414498), (639, 361956), (651, 355284), (756, 305939), (834, 277326), (837, 276332), (852, 271467), (868, 266463), (973, 237708), (994, 232686), (1116, 207249), (1251, 184884), (1278, 180978), (1302, 177642), (1491, 155124), (1668, 138663), (1674, 138166), (1917, 120652), (1946, 118854), (1953, 118428), (1988, 116343), (2201, 105084), (2502, 92442), (2556, 90489), (2604, 88821), (2919, 79236), (2982, 77562), (3348, 69083), (3753, 61628), (3834, 60326), (3892, 59427), (3906, 59214), (4309, 53676), (4402, 52542), (4473, 51708), (5004, 46221), (5838, 39618), (5859, 39476), (5964, 38781), (6603, 35028), (7506, 30814), (7668, 30163), (7812, 29607), (8618, 26838), (8757, 26412), (8804, 26271), (8946, 25854), (9869, 23436), (11676, 19809), (11718, 19738), (12927, 17892), (13206, 17514), (13419, 17236), (15012, 15407)]