29890000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 150

約数和(自身を含む): 85561674

約数和(自身を除く): 55671674

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 61, 70, 80, 98, 100, 112, 122, 125, 140, 175, 196, 200, 244, 245, 250, 280, 305, 350, 392, 400, 427, 488, 490, 500, 560, 610, 625, 700, 784, 854, 875, 976, 980, 1000, 1220, 1225, 1250, 1400, 1525, 1708, 1750, 1960, 2000, 2135, 2440, 2450, 2500, 2800, 2989, 3050, 3416, 3500, 3920, 4270, 4375, 4880, 4900, 5000, 5978, 6100, 6125, 6832, 7000, 7625, 8540, 8750, 9800, 10000, 10675, 11956, 12200, 12250, 14000, 14945, 15250, 17080, 17500, 19600, 21350, 23912, 24400, 24500, 29890, 30500, 30625, 34160, 35000, 38125, 42700, 47824, 49000, 53375, 59780, 61000, 61250, 70000, 74725, 76250, 85400, 98000, 106750, 119560, 122000, 122500, 149450, 152500, 170800, 213500, 239120, 245000, 266875, 298900, 305000, 373625, 427000, 490000, 533750, 597800, 610000, 747250, 854000, 1067500, 1195600, 1494500, 1868125, 2135000, 2989000, 3736250, 4270000, 5978000, 7472500, 14945000, 29890000]

約数ペア:

[(1, 29890000), (2, 14945000), (4, 7472500), (5, 5978000), (7, 4270000), (8, 3736250), (10, 2989000), (14, 2135000), (16, 1868125), (20, 1494500), (25, 1195600), (28, 1067500), (35, 854000), (40, 747250), (49, 610000), (50, 597800), (56, 533750), (61, 490000), (70, 427000), (80, 373625), (98, 305000), (100, 298900), (112, 266875), (122, 245000), (125, 239120), (140, 213500), (175, 170800), (196, 152500), (200, 149450), (244, 122500), (245, 122000), (250, 119560), (280, 106750), (305, 98000), (350, 85400), (392, 76250), (400, 74725), (427, 70000), (488, 61250), (490, 61000), (500, 59780), (560, 53375), (610, 49000), (625, 47824), (700, 42700), (784, 38125), (854, 35000), (875, 34160), (976, 30625), (980, 30500), (1000, 29890), (1220, 24500), (1225, 24400), (1250, 23912), (1400, 21350), (1525, 19600), (1708, 17500), (1750, 17080), (1960, 15250), (2000, 14945), (2135, 14000), (2440, 12250), (2450, 12200), (2500, 11956), (2800, 10675), (2989, 10000), (3050, 9800), (3416, 8750), (3500, 8540), (3920, 7625), (4270, 7000), (4375, 6832), (4880, 6125), (4900, 6100), (5000, 5978)]