28994000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 160

約数和(自身を含む): 85113600

約数和(自身を除く): 56119600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 109, 112, 125, 133, 140, 152, 175, 190, 200, 218, 250, 266, 280, 304, 350, 380, 400, 436, 475, 500, 532, 545, 560, 665, 700, 760, 763, 872, 875, 950, 1000, 1064, 1090, 1330, 1400, 1520, 1526, 1744, 1750, 1900, 2000, 2071, 2128, 2180, 2375, 2660, 2725, 2800, 3052, 3325, 3500, 3800, 3815, 4142, 4360, 4750, 5320, 5450, 6104, 6650, 7000, 7600, 7630, 8284, 8720, 9500, 10355, 10640, 10900, 12208, 13300, 13625, 14000, 14497, 15260, 16568, 16625, 19000, 19075, 20710, 21800, 26600, 27250, 28994, 30520, 33136, 33250, 38000, 38150, 41420, 43600, 51775, 53200, 54500, 57988, 61040, 66500, 72485, 76300, 82840, 95375, 103550, 109000, 115976, 133000, 144970, 152600, 165680, 190750, 207100, 218000, 231952, 258875, 266000, 289940, 305200, 362425, 381500, 414200, 517750, 579880, 724850, 763000, 828400, 1035500, 1159760, 1449700, 1526000, 1812125, 2071000, 2899400, 3624250, 4142000, 5798800, 7248500, 14497000, 28994000]

約数ペア:

[(1, 28994000), (2, 14497000), (4, 7248500), (5, 5798800), (7, 4142000), (8, 3624250), (10, 2899400), (14, 2071000), (16, 1812125), (19, 1526000), (20, 1449700), (25, 1159760), (28, 1035500), (35, 828400), (38, 763000), (40, 724850), (50, 579880), (56, 517750), (70, 414200), (76, 381500), (80, 362425), (95, 305200), (100, 289940), (109, 266000), (112, 258875), (125, 231952), (133, 218000), (140, 207100), (152, 190750), (175, 165680), (190, 152600), (200, 144970), (218, 133000), (250, 115976), (266, 109000), (280, 103550), (304, 95375), (350, 82840), (380, 76300), (400, 72485), (436, 66500), (475, 61040), (500, 57988), (532, 54500), (545, 53200), (560, 51775), (665, 43600), (700, 41420), (760, 38150), (763, 38000), (872, 33250), (875, 33136), (950, 30520), (1000, 28994), (1064, 27250), (1090, 26600), (1330, 21800), (1400, 20710), (1520, 19075), (1526, 19000), (1744, 16625), (1750, 16568), (1900, 15260), (2000, 14497), (2071, 14000), (2128, 13625), (2180, 13300), (2375, 12208), (2660, 10900), (2725, 10640), (2800, 10355), (3052, 9500), (3325, 8720), (3500, 8284), (3800, 7630), (3815, 7600), (4142, 7000), (4360, 6650), (4750, 6104), (5320, 5450)]