419887468

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 1023176448

約数和(自身を除く): 603288980

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 71, 77, 91, 98, 142, 143, 154, 182, 196, 211, 284, 286, 308, 364, 422, 497, 539, 572, 637, 781, 844, 923, 994, 1001, 1078, 1274, 1477, 1562, 1846, 1988, 2002, 2156, 2321, 2548, 2743, 2954, 3124, 3479, 3692, 4004, 4642, 5467, 5486, 5908, 6461, 6958, 7007, 9284, 10153, 10339, 10934, 10972, 12922, 13916, 14014, 14981, 16247, 19201, 20306, 20678, 21868, 25844, 28028, 29962, 30173, 32494, 38269, 38402, 40612, 41356, 45227, 59924, 60346, 64988, 71071, 76538, 76804, 90454, 104867, 113729, 120692, 134407, 142142, 153076, 164791, 180908, 194753, 209734, 211211, 227458, 268814, 284284, 329582, 389506, 419468, 422422, 454916, 497497, 537628, 659164, 734069, 779012, 844844, 994994, 1153537, 1363271, 1468138, 1478477, 1989988, 2142283, 2307074, 2726542, 2936276, 2956954, 4284566, 4614148, 5453084, 5913908, 8074759, 8569132, 9542897, 14995981, 16149518, 19085794, 29991962, 32299036, 38171588, 59983924, 104971867, 209943734, 419887468]

約数ペア:

[(1, 419887468), (2, 209943734), (4, 104971867), (7, 59983924), (11, 38171588), (13, 32299036), (14, 29991962), (22, 19085794), (26, 16149518), (28, 14995981), (44, 9542897), (49, 8569132), (52, 8074759), (71, 5913908), (77, 5453084), (91, 4614148), (98, 4284566), (142, 2956954), (143, 2936276), (154, 2726542), (182, 2307074), (196, 2142283), (211, 1989988), (284, 1478477), (286, 1468138), (308, 1363271), (364, 1153537), (422, 994994), (497, 844844), (539, 779012), (572, 734069), (637, 659164), (781, 537628), (844, 497497), (923, 454916), (994, 422422), (1001, 419468), (1078, 389506), (1274, 329582), (1477, 284284), (1562, 268814), (1846, 227458), (1988, 211211), (2002, 209734), (2156, 194753), (2321, 180908), (2548, 164791), (2743, 153076), (2954, 142142), (3124, 134407), (3479, 120692), (3692, 113729), (4004, 104867), (4642, 90454), (5467, 76804), (5486, 76538), (5908, 71071), (6461, 64988), (6958, 60346), (7007, 59924), (9284, 45227), (10153, 41356), (10339, 40612), (10934, 38402), (10972, 38269), (12922, 32494), (13916, 30173), (14014, 29962), (14981, 28028), (16247, 25844), (19201, 21868), (20306, 20678)]