19482400

素因数分解:

$2^5\times 5^2\times 7^3\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 56246400

約数和(自身を除く): 36764000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 71, 80, 98, 100, 112, 140, 142, 160, 175, 196, 200, 224, 245, 280, 284, 343, 350, 355, 392, 400, 490, 497, 560, 568, 686, 700, 710, 784, 800, 980, 994, 1120, 1136, 1225, 1372, 1400, 1420, 1568, 1715, 1775, 1960, 1988, 2272, 2450, 2485, 2744, 2800, 2840, 3430, 3479, 3550, 3920, 3976, 4900, 4970, 5488, 5600, 5680, 6860, 6958, 7100, 7840, 7952, 8575, 9800, 9940, 10976, 11360, 12425, 13720, 13916, 14200, 15904, 17150, 17395, 19600, 19880, 24353, 24850, 27440, 27832, 28400, 34300, 34790, 39200, 39760, 48706, 49700, 54880, 55664, 56800, 68600, 69580, 79520, 86975, 97412, 99400, 111328, 121765, 137200, 139160, 173950, 194824, 198800, 243530, 274400, 278320, 347900, 389648, 397600, 487060, 556640, 608825, 695800, 779296, 974120, 1217650, 1391600, 1948240, 2435300, 2783200, 3896480, 4870600, 9741200, 19482400]

約数ペア:

[(1, 19482400), (2, 9741200), (4, 4870600), (5, 3896480), (7, 2783200), (8, 2435300), (10, 1948240), (14, 1391600), (16, 1217650), (20, 974120), (25, 779296), (28, 695800), (32, 608825), (35, 556640), (40, 487060), (49, 397600), (50, 389648), (56, 347900), (70, 278320), (71, 274400), (80, 243530), (98, 198800), (100, 194824), (112, 173950), (140, 139160), (142, 137200), (160, 121765), (175, 111328), (196, 99400), (200, 97412), (224, 86975), (245, 79520), (280, 69580), (284, 68600), (343, 56800), (350, 55664), (355, 54880), (392, 49700), (400, 48706), (490, 39760), (497, 39200), (560, 34790), (568, 34300), (686, 28400), (700, 27832), (710, 27440), (784, 24850), (800, 24353), (980, 19880), (994, 19600), (1120, 17395), (1136, 17150), (1225, 15904), (1372, 14200), (1400, 13916), (1420, 13720), (1568, 12425), (1715, 11360), (1775, 10976), (1960, 9940), (1988, 9800), (2272, 8575), (2450, 7952), (2485, 7840), (2744, 7100), (2800, 6958), (2840, 6860), (3430, 5680), (3479, 5600), (3550, 5488), (3920, 4970), (3976, 4900)]