19940400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 180

約数和(自身を含む): 71959680

約数和(自身を除く): 52019280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 29, 30, 36, 40, 45, 48, 50, 58, 60, 72, 75, 80, 87, 90, 100, 116, 120, 144, 145, 150, 174, 180, 191, 200, 225, 232, 240, 261, 290, 300, 348, 360, 382, 400, 435, 450, 464, 522, 573, 580, 600, 696, 720, 725, 764, 870, 900, 955, 1044, 1146, 1160, 1200, 1305, 1392, 1450, 1528, 1719, 1740, 1800, 1910, 2088, 2175, 2292, 2320, 2610, 2865, 2900, 3056, 3438, 3480, 3600, 3820, 4176, 4350, 4584, 4775, 5220, 5539, 5730, 5800, 6525, 6876, 6960, 7640, 8595, 8700, 9168, 9550, 10440, 11078, 11460, 11600, 13050, 13752, 14325, 15280, 16617, 17190, 17400, 19100, 20880, 22156, 22920, 26100, 27504, 27695, 28650, 33234, 34380, 34800, 38200, 42975, 44312, 45840, 49851, 52200, 55390, 57300, 66468, 68760, 76400, 83085, 85950, 88624, 99702, 104400, 110780, 114600, 132936, 137520, 138475, 166170, 171900, 199404, 221560, 229200, 249255, 265872, 276950, 332340, 343800, 398808, 415425, 443120, 498510, 553900, 664680, 687600, 797616, 830850, 997020, 1107800, 1246275, 1329360, 1661700, 1994040, 2215600, 2492550, 3323400, 3988080, 4985100, 6646800, 9970200, 19940400]

約数ペア:

[(1, 19940400), (2, 9970200), (3, 6646800), (4, 4985100), (5, 3988080), (6, 3323400), (8, 2492550), (9, 2215600), (10, 1994040), (12, 1661700), (15, 1329360), (16, 1246275), (18, 1107800), (20, 997020), (24, 830850), (25, 797616), (29, 687600), (30, 664680), (36, 553900), (40, 498510), (45, 443120), (48, 415425), (50, 398808), (58, 343800), (60, 332340), (72, 276950), (75, 265872), (80, 249255), (87, 229200), (90, 221560), (100, 199404), (116, 171900), (120, 166170), (144, 138475), (145, 137520), (150, 132936), (174, 114600), (180, 110780), (191, 104400), (200, 99702), (225, 88624), (232, 85950), (240, 83085), (261, 76400), (290, 68760), (300, 66468), (348, 57300), (360, 55390), (382, 52200), (400, 49851), (435, 45840), (450, 44312), (464, 42975), (522, 38200), (573, 34800), (580, 34380), (600, 33234), (696, 28650), (720, 27695), (725, 27504), (764, 26100), (870, 22920), (900, 22156), (955, 20880), (1044, 19100), (1146, 17400), (1160, 17190), (1200, 16617), (1305, 15280), (1392, 14325), (1450, 13752), (1528, 13050), (1719, 11600), (1740, 11460), (1800, 11078), (1910, 10440), (2088, 9550), (2175, 9168), (2292, 8700), (2320, 8595), (2610, 7640), (2865, 6960), (2900, 6876), (3056, 6525), (3438, 5800), (3480, 5730), (3600, 5539), (3820, 5220), (4176, 4775), (4350, 4584)]