49819280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 137401920

約数和(自身を除く): 87582640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 179, 196, 245, 280, 284, 355, 358, 392, 490, 497, 560, 568, 710, 716, 784, 895, 980, 994, 1136, 1253, 1420, 1432, 1790, 1960, 1988, 2485, 2506, 2840, 2864, 3479, 3580, 3920, 3976, 4970, 5012, 5680, 6265, 6958, 7160, 7952, 8771, 9940, 10024, 12530, 12709, 13916, 14320, 17395, 17542, 19880, 20048, 25060, 25418, 27832, 34790, 35084, 39760, 43855, 50120, 50836, 55664, 63545, 69580, 70168, 87710, 88963, 100240, 101672, 127090, 139160, 140336, 175420, 177926, 203344, 254180, 278320, 350840, 355852, 444815, 508360, 622741, 701680, 711704, 889630, 1016720, 1245482, 1423408, 1779260, 2490964, 3113705, 3558520, 4981928, 6227410, 7117040, 9963856, 12454820, 24909640, 49819280]

約数ペア:

[(1, 49819280), (2, 24909640), (4, 12454820), (5, 9963856), (7, 7117040), (8, 6227410), (10, 4981928), (14, 3558520), (16, 3113705), (20, 2490964), (28, 1779260), (35, 1423408), (40, 1245482), (49, 1016720), (56, 889630), (70, 711704), (71, 701680), (80, 622741), (98, 508360), (112, 444815), (140, 355852), (142, 350840), (179, 278320), (196, 254180), (245, 203344), (280, 177926), (284, 175420), (355, 140336), (358, 139160), (392, 127090), (490, 101672), (497, 100240), (560, 88963), (568, 87710), (710, 70168), (716, 69580), (784, 63545), (895, 55664), (980, 50836), (994, 50120), (1136, 43855), (1253, 39760), (1420, 35084), (1432, 34790), (1790, 27832), (1960, 25418), (1988, 25060), (2485, 20048), (2506, 19880), (2840, 17542), (2864, 17395), (3479, 14320), (3580, 13916), (3920, 12709), (3976, 12530), (4970, 10024), (5012, 9940), (5680, 8771), (6265, 7952), (6958, 7160)]