30018800

素因数分解:

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

素因数の和:247

約数の個数: 120

約数和(自身を含む): 84137472

約数和(自身を除く): 54118672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 71, 80, 100, 112, 140, 142, 151, 175, 200, 280, 284, 302, 350, 355, 400, 497, 560, 568, 604, 700, 710, 755, 994, 1057, 1136, 1208, 1400, 1420, 1510, 1775, 1988, 2114, 2416, 2485, 2800, 2840, 3020, 3550, 3775, 3976, 4228, 4970, 5285, 5680, 6040, 7100, 7550, 7952, 8456, 9940, 10570, 10721, 12080, 12425, 14200, 15100, 16912, 19880, 21140, 21442, 24850, 26425, 28400, 30200, 39760, 42280, 42884, 49700, 52850, 53605, 60400, 75047, 84560, 85768, 99400, 105700, 107210, 150094, 171536, 198800, 211400, 214420, 268025, 300188, 375235, 422800, 428840, 536050, 600376, 750470, 857680, 1072100, 1200752, 1500940, 1876175, 2144200, 3001880, 3752350, 4288400, 6003760, 7504700, 15009400, 30018800]

約数ペア:

[(1, 30018800), (2, 15009400), (4, 7504700), (5, 6003760), (7, 4288400), (8, 3752350), (10, 3001880), (14, 2144200), (16, 1876175), (20, 1500940), (25, 1200752), (28, 1072100), (35, 857680), (40, 750470), (50, 600376), (56, 536050), (70, 428840), (71, 422800), (80, 375235), (100, 300188), (112, 268025), (140, 214420), (142, 211400), (151, 198800), (175, 171536), (200, 150094), (280, 107210), (284, 105700), (302, 99400), (350, 85768), (355, 84560), (400, 75047), (497, 60400), (560, 53605), (568, 52850), (604, 49700), (700, 42884), (710, 42280), (755, 39760), (994, 30200), (1057, 28400), (1136, 26425), (1208, 24850), (1400, 21442), (1420, 21140), (1510, 19880), (1775, 16912), (1988, 15100), (2114, 14200), (2416, 12425), (2485, 12080), (2800, 10721), (2840, 10570), (3020, 9940), (3550, 8456), (3775, 7952), (3976, 7550), (4228, 7100), (4970, 6040), (5285, 5680)]