199954216

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 497295360

約数和(自身を除く): 297341144

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 37, 44, 56, 62, 74, 77, 88, 124, 148, 154, 217, 248, 259, 283, 296, 308, 341, 407, 434, 518, 566, 616, 682, 814, 868, 1036, 1132, 1147, 1364, 1628, 1736, 1981, 2072, 2264, 2294, 2387, 2728, 2849, 3113, 3256, 3962, 4588, 4774, 5698, 6226, 7924, 8029, 8773, 9176, 9548, 10471, 11396, 12452, 12617, 15848, 16058, 17546, 19096, 20942, 21791, 22792, 24904, 25234, 32116, 35092, 41884, 43582, 50468, 61411, 64232, 70184, 73297, 83768, 87164, 88319, 96503, 100936, 115181, 122822, 146594, 174328, 176638, 193006, 230362, 245644, 293188, 324601, 353276, 386012, 460724, 491288, 586376, 649202, 675521, 706552, 772024, 806267, 921448, 1298404, 1351042, 1612534, 2272207, 2596808, 2702084, 3225068, 3570611, 4544414, 5404168, 6450136, 7141222, 9088828, 14282444, 18177656, 24994277, 28564888, 49988554, 99977108, 199954216]

約数ペア:

[(1, 199954216), (2, 99977108), (4, 49988554), (7, 28564888), (8, 24994277), (11, 18177656), (14, 14282444), (22, 9088828), (28, 7141222), (31, 6450136), (37, 5404168), (44, 4544414), (56, 3570611), (62, 3225068), (74, 2702084), (77, 2596808), (88, 2272207), (124, 1612534), (148, 1351042), (154, 1298404), (217, 921448), (248, 806267), (259, 772024), (283, 706552), (296, 675521), (308, 649202), (341, 586376), (407, 491288), (434, 460724), (518, 386012), (566, 353276), (616, 324601), (682, 293188), (814, 245644), (868, 230362), (1036, 193006), (1132, 176638), (1147, 174328), (1364, 146594), (1628, 122822), (1736, 115181), (1981, 100936), (2072, 96503), (2264, 88319), (2294, 87164), (2387, 83768), (2728, 73297), (2849, 70184), (3113, 64232), (3256, 61411), (3962, 50468), (4588, 43582), (4774, 41884), (5698, 35092), (6226, 32116), (7924, 25234), (8029, 24904), (8773, 22792), (9176, 21791), (9548, 20942), (10471, 19096), (11396, 17546), (12452, 16058), (12617, 15848)]