245239120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:957

約数の個数: 120

約数和(自身を含む): 673142184

約数和(自身を除く): 427903064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 365, 392, 490, 511, 560, 584, 730, 784, 857, 980, 1022, 1168, 1460, 1714, 1960, 2044, 2555, 2920, 3428, 3577, 3920, 4088, 4285, 5110, 5840, 5999, 6856, 7154, 8176, 8570, 10220, 11998, 13712, 14308, 17140, 17885, 20440, 23996, 28616, 29995, 34280, 35770, 40880, 41993, 47992, 57232, 59990, 62561, 68560, 71540, 83986, 95984, 119980, 125122, 143080, 167972, 209965, 239960, 250244, 286160, 312805, 335944, 419930, 437927, 479920, 500488, 625610, 671888, 839860, 875854, 1000976, 1251220, 1679720, 1751708, 2189635, 2502440, 3065489, 3359440, 3503416, 4379270, 5004880, 6130978, 7006832, 8758540, 12261956, 15327445, 17517080, 24523912, 30654890, 35034160, 49047824, 61309780, 122619560, 245239120]

約数ペア:

[(1, 245239120), (2, 122619560), (4, 61309780), (5, 49047824), (7, 35034160), (8, 30654890), (10, 24523912), (14, 17517080), (16, 15327445), (20, 12261956), (28, 8758540), (35, 7006832), (40, 6130978), (49, 5004880), (56, 4379270), (70, 3503416), (73, 3359440), (80, 3065489), (98, 2502440), (112, 2189635), (140, 1751708), (146, 1679720), (196, 1251220), (245, 1000976), (280, 875854), (292, 839860), (365, 671888), (392, 625610), (490, 500488), (511, 479920), (560, 437927), (584, 419930), (730, 335944), (784, 312805), (857, 286160), (980, 250244), (1022, 239960), (1168, 209965), (1460, 167972), (1714, 143080), (1960, 125122), (2044, 119980), (2555, 95984), (2920, 83986), (3428, 71540), (3577, 68560), (3920, 62561), (4088, 59990), (4285, 57232), (5110, 47992), (5840, 41993), (5999, 40880), (6856, 35770), (7154, 34280), (8176, 29995), (8570, 28616), (10220, 23996), (11998, 20440), (13712, 17885), (14308, 17140)]