209357400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{7121}}^1$

素因数の和:7154

約数の個数: 144

約数和(自身を含む): 755074440

約数和(自身を除く): 545717040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 700, 735, 840, 980, 1050, 1176, 1225, 1400, 1470, 1960, 2100, 2450, 2940, 3675, 4200, 4900, 5880, 7121, 7350, 9800, 14242, 14700, 21363, 28484, 29400, 35605, 42726, 49847, 56968, 71210, 85452, 99694, 106815, 142420, 149541, 170904, 178025, 199388, 213630, 249235, 284840, 299082, 348929, 356050, 398776, 427260, 498470, 534075, 598164, 697858, 712100, 747705, 854520, 996940, 1046787, 1068150, 1196328, 1246175, 1395716, 1424200, 1495410, 1744645, 1993880, 2093574, 2136300, 2492350, 2791432, 2990820, 3489290, 3738525, 4187148, 4272600, 4984700, 5233935, 5981640, 6978580, 7477050, 8374296, 8723225, 9969400, 10467870, 13957160, 14954100, 17446450, 20935740, 26169675, 29908200, 34892900, 41871480, 52339350, 69785800, 104678700, 209357400]

約数ペア:

[(1, 209357400), (2, 104678700), (3, 69785800), (4, 52339350), (5, 41871480), (6, 34892900), (7, 29908200), (8, 26169675), (10, 20935740), (12, 17446450), (14, 14954100), (15, 13957160), (20, 10467870), (21, 9969400), (24, 8723225), (25, 8374296), (28, 7477050), (30, 6978580), (35, 5981640), (40, 5233935), (42, 4984700), (49, 4272600), (50, 4187148), (56, 3738525), (60, 3489290), (70, 2990820), (75, 2791432), (84, 2492350), (98, 2136300), (100, 2093574), (105, 1993880), (120, 1744645), (140, 1495410), (147, 1424200), (150, 1395716), (168, 1246175), (175, 1196328), (196, 1068150), (200, 1046787), (210, 996940), (245, 854520), (280, 747705), (294, 712100), (300, 697858), (350, 598164), (392, 534075), (420, 498470), (490, 427260), (525, 398776), (588, 356050), (600, 348929), (700, 299082), (735, 284840), (840, 249235), (980, 213630), (1050, 199388), (1176, 178025), (1225, 170904), (1400, 149541), (1470, 142420), (1960, 106815), (2100, 99694), (2450, 85452), (2940, 71210), (3675, 56968), (4200, 49847), (4900, 42726), (5880, 35605), (7121, 29400), (7350, 28484), (9800, 21363), (14242, 14700)]