620049920

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{4943}}^1$

素因数の和:4980

約数の個数: 120

約数和(自身を含む): 1729737504

約数和(自身を除く): 1109687584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 4943, 6272, 7840, 8960, 9886, 12544, 15680, 17920, 19772, 24715, 25088, 31360, 34601, 39544, 49430, 62720, 69202, 79088, 98860, 125440, 138404, 158176, 173005, 197720, 242207, 276808, 316352, 346010, 395440, 484414, 553616, 632704, 692020, 790880, 968828, 1107232, 1211035, 1265408, 1384040, 1581760, 1937656, 2214464, 2422070, 2530816, 2768080, 3163520, 3875312, 4428928, 4844140, 5536160, 6327040, 7750624, 8857856, 9688280, 11072320, 12654080, 15501248, 17715712, 19376560, 22144640, 31002496, 38753120, 44289280, 62004992, 77506240, 88578560, 124009984, 155012480, 310024960, 620049920]

約数ペア:

[(1, 620049920), (2, 310024960), (4, 155012480), (5, 124009984), (7, 88578560), (8, 77506240), (10, 62004992), (14, 44289280), (16, 38753120), (20, 31002496), (28, 22144640), (32, 19376560), (35, 17715712), (40, 15501248), (49, 12654080), (56, 11072320), (64, 9688280), (70, 8857856), (80, 7750624), (98, 6327040), (112, 5536160), (128, 4844140), (140, 4428928), (160, 3875312), (196, 3163520), (224, 2768080), (245, 2530816), (256, 2422070), (280, 2214464), (320, 1937656), (392, 1581760), (448, 1384040), (490, 1265408), (512, 1211035), (560, 1107232), (640, 968828), (784, 790880), (896, 692020), (980, 632704), (1120, 553616), (1280, 484414), (1568, 395440), (1792, 346010), (1960, 316352), (2240, 276808), (2560, 242207), (3136, 197720), (3584, 173005), (3920, 158176), (4480, 138404), (4943, 125440), (6272, 98860), (7840, 79088), (8960, 69202), (9886, 62720), (12544, 49430), (15680, 39544), (17920, 34601), (19772, 31360), (24715, 25088)]