199947400

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 482112000

約数和(自身を除く): 282164600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 89, 94, 100, 178, 188, 200, 235, 239, 356, 376, 445, 470, 478, 712, 890, 940, 956, 1175, 1195, 1780, 1880, 1912, 2225, 2350, 2390, 3560, 4183, 4450, 4700, 4780, 5975, 8366, 8900, 9400, 9560, 11233, 11950, 16732, 17800, 20915, 21271, 22466, 23900, 33464, 41830, 42542, 44932, 47800, 56165, 83660, 85084, 89864, 104575, 106355, 112330, 167320, 170168, 209150, 212710, 224660, 280825, 418300, 425420, 449320, 531775, 561650, 836600, 850840, 999737, 1063550, 1123300, 1999474, 2127100, 2246600, 3998948, 4254200, 4998685, 7997896, 9997370, 19994740, 24993425, 39989480, 49986850, 99973700, 199947400]

約数ペア:

[(1, 199947400), (2, 99973700), (4, 49986850), (5, 39989480), (8, 24993425), (10, 19994740), (20, 9997370), (25, 7997896), (40, 4998685), (47, 4254200), (50, 3998948), (89, 2246600), (94, 2127100), (100, 1999474), (178, 1123300), (188, 1063550), (200, 999737), (235, 850840), (239, 836600), (356, 561650), (376, 531775), (445, 449320), (470, 425420), (478, 418300), (712, 280825), (890, 224660), (940, 212710), (956, 209150), (1175, 170168), (1195, 167320), (1780, 112330), (1880, 106355), (1912, 104575), (2225, 89864), (2350, 85084), (2390, 83660), (3560, 56165), (4183, 47800), (4450, 44932), (4700, 42542), (4780, 41830), (5975, 33464), (8366, 23900), (8900, 22466), (9400, 21271), (9560, 20915), (11233, 17800), (11950, 16732)]