79154600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 220415580

約数和(自身を除く): 141260980

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 82, 98, 100, 140, 164, 175, 196, 197, 200, 205, 245, 280, 287, 328, 350, 392, 394, 410, 490, 574, 700, 788, 820, 980, 985, 1025, 1148, 1225, 1379, 1400, 1435, 1576, 1640, 1960, 1970, 2009, 2050, 2296, 2450, 2758, 2870, 3940, 4018, 4100, 4900, 4925, 5516, 5740, 6895, 7175, 7880, 8036, 8077, 8200, 9653, 9800, 9850, 10045, 11032, 11480, 13790, 14350, 16072, 16154, 19306, 19700, 20090, 27580, 28700, 32308, 34475, 38612, 39400, 40180, 40385, 48265, 50225, 55160, 56539, 57400, 64616, 68950, 77224, 80360, 80770, 96530, 100450, 113078, 137900, 161540, 193060, 200900, 201925, 226156, 241325, 275800, 282695, 323080, 386120, 395773, 401800, 403850, 452312, 482650, 565390, 791546, 807700, 965300, 1130780, 1413475, 1583092, 1615400, 1930600, 1978865, 2261560, 2826950, 3166184, 3957730, 5653900, 7915460, 9894325, 11307800, 15830920, 19788650, 39577300, 79154600]

約数ペア:

[(1, 79154600), (2, 39577300), (4, 19788650), (5, 15830920), (7, 11307800), (8, 9894325), (10, 7915460), (14, 5653900), (20, 3957730), (25, 3166184), (28, 2826950), (35, 2261560), (40, 1978865), (41, 1930600), (49, 1615400), (50, 1583092), (56, 1413475), (70, 1130780), (82, 965300), (98, 807700), (100, 791546), (140, 565390), (164, 482650), (175, 452312), (196, 403850), (197, 401800), (200, 395773), (205, 386120), (245, 323080), (280, 282695), (287, 275800), (328, 241325), (350, 226156), (392, 201925), (394, 200900), (410, 193060), (490, 161540), (574, 137900), (700, 113078), (788, 100450), (820, 96530), (980, 80770), (985, 80360), (1025, 77224), (1148, 68950), (1225, 64616), (1379, 57400), (1400, 56539), (1435, 55160), (1576, 50225), (1640, 48265), (1960, 40385), (1970, 40180), (2009, 39400), (2050, 38612), (2296, 34475), (2450, 32308), (2758, 28700), (2870, 27580), (3940, 20090), (4018, 19700), (4100, 19306), (4900, 16154), (4925, 16072), (5516, 14350), (5740, 13790), (6895, 11480), (7175, 11032), (7880, 10045), (8036, 9850), (8077, 9800), (8200, 9653)]