247489060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 192

約数和(自身を含む): 714631680

約数和(自身を除く): 467142620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 19, 20, 26, 28, 34, 35, 38, 52, 65, 68, 70, 76, 85, 91, 95, 119, 130, 133, 140, 170, 182, 190, 221, 238, 247, 260, 266, 323, 340, 364, 380, 421, 442, 455, 476, 494, 532, 595, 646, 665, 842, 884, 910, 988, 1105, 1190, 1235, 1292, 1330, 1547, 1615, 1684, 1729, 1820, 2105, 2210, 2261, 2380, 2470, 2660, 2947, 3094, 3230, 3458, 4199, 4210, 4420, 4522, 4940, 5473, 5894, 6188, 6460, 6916, 7157, 7735, 7999, 8398, 8420, 8645, 9044, 10946, 11305, 11788, 14314, 14735, 15470, 15998, 16796, 17290, 20995, 21892, 22610, 27365, 28628, 29393, 29470, 30940, 31996, 34580, 35785, 38311, 39995, 41990, 45220, 50099, 54730, 55993, 58786, 58940, 71570, 76622, 79990, 83980, 93041, 100198, 103987, 109460, 111986, 117572, 135983, 143140, 146965, 153244, 159980, 186082, 191555, 200396, 207974, 223972, 250495, 271966, 279965, 293930, 372164, 383110, 415948, 465205, 500990, 519935, 543932, 559930, 587860, 651287, 679915, 727909, 766220, 930410, 951881, 1001980, 1039870, 1119860, 1302574, 1359830, 1455818, 1767779, 1860820, 1903762, 2079740, 2605148, 2719660, 2911636, 3256435, 3535558, 3639545, 3807524, 4759405, 6512870, 7071116, 7279090, 8838895, 9518810, 12374453, 13025740, 14558180, 17677790, 19037620, 24748906, 35355580, 49497812, 61872265, 123744530, 247489060]

約数ペア:

[(1, 247489060), (2, 123744530), (4, 61872265), (5, 49497812), (7, 35355580), (10, 24748906), (13, 19037620), (14, 17677790), (17, 14558180), (19, 13025740), (20, 12374453), (26, 9518810), (28, 8838895), (34, 7279090), (35, 7071116), (38, 6512870), (52, 4759405), (65, 3807524), (68, 3639545), (70, 3535558), (76, 3256435), (85, 2911636), (91, 2719660), (95, 2605148), (119, 2079740), (130, 1903762), (133, 1860820), (140, 1767779), (170, 1455818), (182, 1359830), (190, 1302574), (221, 1119860), (238, 1039870), (247, 1001980), (260, 951881), (266, 930410), (323, 766220), (340, 727909), (364, 679915), (380, 651287), (421, 587860), (442, 559930), (455, 543932), (476, 519935), (494, 500990), (532, 465205), (595, 415948), (646, 383110), (665, 372164), (842, 293930), (884, 279965), (910, 271966), (988, 250495), (1105, 223972), (1190, 207974), (1235, 200396), (1292, 191555), (1330, 186082), (1547, 159980), (1615, 153244), (1684, 146965), (1729, 143140), (1820, 135983), (2105, 117572), (2210, 111986), (2261, 109460), (2380, 103987), (2470, 100198), (2660, 93041), (2947, 83980), (3094, 79990), (3230, 76622), (3458, 71570), (4199, 58940), (4210, 58786), (4420, 55993), (4522, 54730), (4940, 50099), (5473, 45220), (5894, 41990), (6188, 39995), (6460, 38311), (6916, 35785), (7157, 34580), (7735, 31996), (7999, 30940), (8398, 29470), (8420, 29393), (8645, 28628), (9044, 27365), (10946, 22610), (11305, 21892), (11788, 20995), (14314, 17290), (14735, 16796), (15470, 15998)]