19992600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 69638400

約数和(自身を除く): 49645800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 29, 30, 36, 40, 45, 50, 58, 60, 72, 75, 87, 90, 100, 116, 120, 145, 150, 174, 180, 200, 225, 232, 261, 290, 300, 348, 360, 383, 435, 450, 522, 580, 600, 696, 725, 766, 870, 900, 1044, 1149, 1160, 1305, 1450, 1532, 1740, 1800, 1915, 2088, 2175, 2298, 2610, 2900, 3064, 3447, 3480, 3830, 4350, 4596, 5220, 5745, 5800, 6525, 6894, 7660, 8700, 9192, 9575, 10440, 11107, 11490, 13050, 13788, 15320, 17235, 17400, 19150, 22214, 22980, 26100, 27576, 28725, 33321, 34470, 38300, 44428, 45960, 52200, 55535, 57450, 66642, 68940, 76600, 86175, 88856, 99963, 111070, 114900, 133284, 137880, 166605, 172350, 199926, 222140, 229800, 266568, 277675, 333210, 344700, 399852, 444280, 499815, 555350, 666420, 689400, 799704, 833025, 999630, 1110700, 1332840, 1666050, 1999260, 2221400, 2499075, 3332100, 3998520, 4998150, 6664200, 9996300, 19992600]

約数ペア:

[(1, 19992600), (2, 9996300), (3, 6664200), (4, 4998150), (5, 3998520), (6, 3332100), (8, 2499075), (9, 2221400), (10, 1999260), (12, 1666050), (15, 1332840), (18, 1110700), (20, 999630), (24, 833025), (25, 799704), (29, 689400), (30, 666420), (36, 555350), (40, 499815), (45, 444280), (50, 399852), (58, 344700), (60, 333210), (72, 277675), (75, 266568), (87, 229800), (90, 222140), (100, 199926), (116, 172350), (120, 166605), (145, 137880), (150, 133284), (174, 114900), (180, 111070), (200, 99963), (225, 88856), (232, 86175), (261, 76600), (290, 68940), (300, 66642), (348, 57450), (360, 55535), (383, 52200), (435, 45960), (450, 44428), (522, 38300), (580, 34470), (600, 33321), (696, 28725), (725, 27576), (766, 26100), (870, 22980), (900, 22214), (1044, 19150), (1149, 17400), (1160, 17235), (1305, 15320), (1450, 13788), (1532, 13050), (1740, 11490), (1800, 11107), (1915, 10440), (2088, 9575), (2175, 9192), (2298, 8700), (2610, 7660), (2900, 6894), (3064, 6525), (3447, 5800), (3480, 5745), (3830, 5220), (4350, 4596)]