255329200

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{1861}}^1$

素因数の和:1900

約数の個数: 120

約数和(自身を含む): 715752800

約数和(自身を除く): 460423600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 343, 350, 392, 400, 490, 560, 686, 700, 784, 980, 1225, 1372, 1400, 1715, 1861, 1960, 2450, 2744, 2800, 3430, 3722, 3920, 4900, 5488, 6860, 7444, 8575, 9305, 9800, 13027, 13720, 14888, 17150, 18610, 19600, 26054, 27440, 29776, 34300, 37220, 46525, 52108, 65135, 68600, 74440, 91189, 93050, 104216, 130270, 137200, 148880, 182378, 186100, 208432, 260540, 325675, 364756, 372200, 455945, 521080, 638323, 651350, 729512, 744400, 911890, 1042160, 1276646, 1302700, 1459024, 1823780, 2279725, 2553292, 2605400, 3191615, 3647560, 4559450, 5106584, 5210800, 6383230, 7295120, 9118900, 10213168, 12766460, 15958075, 18237800, 25532920, 31916150, 36475600, 51065840, 63832300, 127664600, 255329200]

約数ペア:

[(1, 255329200), (2, 127664600), (4, 63832300), (5, 51065840), (7, 36475600), (8, 31916150), (10, 25532920), (14, 18237800), (16, 15958075), (20, 12766460), (25, 10213168), (28, 9118900), (35, 7295120), (40, 6383230), (49, 5210800), (50, 5106584), (56, 4559450), (70, 3647560), (80, 3191615), (98, 2605400), (100, 2553292), (112, 2279725), (140, 1823780), (175, 1459024), (196, 1302700), (200, 1276646), (245, 1042160), (280, 911890), (343, 744400), (350, 729512), (392, 651350), (400, 638323), (490, 521080), (560, 455945), (686, 372200), (700, 364756), (784, 325675), (980, 260540), (1225, 208432), (1372, 186100), (1400, 182378), (1715, 148880), (1861, 137200), (1960, 130270), (2450, 104216), (2744, 93050), (2800, 91189), (3430, 74440), (3722, 68600), (3920, 65135), (4900, 52108), (5488, 46525), (6860, 37220), (7444, 34300), (8575, 29776), (9305, 27440), (9800, 26054), (13027, 19600), (13720, 18610), (14888, 17150)]