219495080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 584962560

約数和(自身を除く): 365467480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 71, 122, 140, 142, 181, 244, 280, 284, 305, 355, 362, 427, 488, 497, 568, 610, 710, 724, 854, 905, 994, 1220, 1267, 1420, 1448, 1708, 1810, 1988, 2135, 2440, 2485, 2534, 2840, 3416, 3620, 3976, 4270, 4331, 4970, 5068, 6335, 7240, 8540, 8662, 9940, 10136, 11041, 12670, 12851, 17080, 17324, 19880, 21655, 22082, 25340, 25702, 30317, 34648, 43310, 44164, 50680, 51404, 55205, 60634, 64255, 77287, 86620, 88328, 89957, 102808, 110410, 121268, 128510, 151585, 154574, 173240, 179914, 220820, 242536, 257020, 303170, 309148, 359828, 386435, 441640, 449785, 514040, 606340, 618296, 719656, 772870, 783911, 899570, 1212680, 1545740, 1567822, 1799140, 3091480, 3135644, 3598280, 3919555, 5487377, 6271288, 7839110, 10974754, 15678220, 21949508, 27436885, 31356440, 43899016, 54873770, 109747540, 219495080]

約数ペア:

[(1, 219495080), (2, 109747540), (4, 54873770), (5, 43899016), (7, 31356440), (8, 27436885), (10, 21949508), (14, 15678220), (20, 10974754), (28, 7839110), (35, 6271288), (40, 5487377), (56, 3919555), (61, 3598280), (70, 3135644), (71, 3091480), (122, 1799140), (140, 1567822), (142, 1545740), (181, 1212680), (244, 899570), (280, 783911), (284, 772870), (305, 719656), (355, 618296), (362, 606340), (427, 514040), (488, 449785), (497, 441640), (568, 386435), (610, 359828), (710, 309148), (724, 303170), (854, 257020), (905, 242536), (994, 220820), (1220, 179914), (1267, 173240), (1420, 154574), (1448, 151585), (1708, 128510), (1810, 121268), (1988, 110410), (2135, 102808), (2440, 89957), (2485, 88328), (2534, 86620), (2840, 77287), (3416, 64255), (3620, 60634), (3976, 55205), (4270, 51404), (4331, 50680), (4970, 44164), (5068, 43310), (6335, 34648), (7240, 30317), (8540, 25702), (8662, 25340), (9940, 22082), (10136, 21655), (11041, 19880), (12670, 17324), (12851, 17080)]