210131600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 180

約数和(自身を含む): 599479488

約数和(自身を除く): 389347888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 71, 80, 98, 100, 112, 140, 142, 151, 175, 196, 200, 245, 280, 284, 302, 350, 355, 392, 400, 490, 497, 560, 568, 604, 700, 710, 755, 784, 980, 994, 1057, 1136, 1208, 1225, 1400, 1420, 1510, 1775, 1960, 1988, 2114, 2416, 2450, 2485, 2800, 2840, 3020, 3479, 3550, 3775, 3920, 3976, 4228, 4900, 4970, 5285, 5680, 6040, 6958, 7100, 7399, 7550, 7952, 8456, 9800, 9940, 10570, 10721, 12080, 12425, 13916, 14200, 14798, 15100, 16912, 17395, 19600, 19880, 21140, 21442, 24850, 26425, 27832, 28400, 29596, 30200, 34790, 36995, 39760, 42280, 42884, 49700, 52850, 53605, 55664, 59192, 60400, 69580, 73990, 75047, 84560, 85768, 86975, 99400, 105700, 107210, 118384, 139160, 147980, 150094, 171536, 173950, 184975, 198800, 211400, 214420, 268025, 278320, 295960, 300188, 347900, 369950, 375235, 422800, 428840, 525329, 536050, 591920, 600376, 695800, 739900, 750470, 857680, 1050658, 1072100, 1200752, 1391600, 1479800, 1500940, 1876175, 2101316, 2144200, 2626645, 2959600, 3001880, 3752350, 4202632, 4288400, 5253290, 6003760, 7504700, 8405264, 10506580, 13133225, 15009400, 21013160, 26266450, 30018800, 42026320, 52532900, 105065800, 210131600]

約数ペア:

[(1, 210131600), (2, 105065800), (4, 52532900), (5, 42026320), (7, 30018800), (8, 26266450), (10, 21013160), (14, 15009400), (16, 13133225), (20, 10506580), (25, 8405264), (28, 7504700), (35, 6003760), (40, 5253290), (49, 4288400), (50, 4202632), (56, 3752350), (70, 3001880), (71, 2959600), (80, 2626645), (98, 2144200), (100, 2101316), (112, 1876175), (140, 1500940), (142, 1479800), (151, 1391600), (175, 1200752), (196, 1072100), (200, 1050658), (245, 857680), (280, 750470), (284, 739900), (302, 695800), (350, 600376), (355, 591920), (392, 536050), (400, 525329), (490, 428840), (497, 422800), (560, 375235), (568, 369950), (604, 347900), (700, 300188), (710, 295960), (755, 278320), (784, 268025), (980, 214420), (994, 211400), (1057, 198800), (1136, 184975), (1208, 173950), (1225, 171536), (1400, 150094), (1420, 147980), (1510, 139160), (1775, 118384), (1960, 107210), (1988, 105700), (2114, 99400), (2416, 86975), (2450, 85768), (2485, 84560), (2800, 75047), (2840, 73990), (3020, 69580), (3479, 60400), (3550, 59192), (3775, 55664), (3920, 53605), (3976, 52850), (4228, 49700), (4900, 42884), (4970, 42280), (5285, 39760), (5680, 36995), (6040, 34790), (6958, 30200), (7100, 29596), (7399, 28400), (7550, 27832), (7952, 26425), (8456, 24850), (9800, 21442), (9940, 21140), (10570, 19880), (10721, 19600), (12080, 17395), (12425, 16912), (13916, 15100), (14200, 14798)]