19749000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 64022400

約数和(自身を除く): 44273400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 29, 30, 40, 50, 58, 60, 75, 87, 100, 116, 120, 125, 145, 150, 174, 200, 227, 232, 250, 290, 300, 348, 375, 435, 454, 500, 580, 600, 681, 696, 725, 750, 870, 908, 1000, 1135, 1160, 1362, 1450, 1500, 1740, 1816, 2175, 2270, 2724, 2900, 3000, 3405, 3480, 3625, 4350, 4540, 5448, 5675, 5800, 6583, 6810, 7250, 8700, 9080, 10875, 11350, 13166, 13620, 14500, 17025, 17400, 19749, 21750, 22700, 26332, 27240, 28375, 29000, 32915, 34050, 39498, 43500, 45400, 52664, 56750, 65830, 68100, 78996, 85125, 87000, 98745, 113500, 131660, 136200, 157992, 164575, 170250, 197490, 227000, 263320, 329150, 340500, 394980, 493725, 658300, 681000, 789960, 822875, 987450, 1316600, 1645750, 1974900, 2468625, 3291500, 3949800, 4937250, 6583000, 9874500, 19749000]

約数ペア:

[(1, 19749000), (2, 9874500), (3, 6583000), (4, 4937250), (5, 3949800), (6, 3291500), (8, 2468625), (10, 1974900), (12, 1645750), (15, 1316600), (20, 987450), (24, 822875), (25, 789960), (29, 681000), (30, 658300), (40, 493725), (50, 394980), (58, 340500), (60, 329150), (75, 263320), (87, 227000), (100, 197490), (116, 170250), (120, 164575), (125, 157992), (145, 136200), (150, 131660), (174, 113500), (200, 98745), (227, 87000), (232, 85125), (250, 78996), (290, 68100), (300, 65830), (348, 56750), (375, 52664), (435, 45400), (454, 43500), (500, 39498), (580, 34050), (600, 32915), (681, 29000), (696, 28375), (725, 27240), (750, 26332), (870, 22700), (908, 21750), (1000, 19749), (1135, 17400), (1160, 17025), (1362, 14500), (1450, 13620), (1500, 13166), (1740, 11350), (1816, 10875), (2175, 9080), (2270, 8700), (2724, 7250), (2900, 6810), (3000, 6583), (3405, 5800), (3480, 5675), (3625, 5448), (4350, 4540)]