200639720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 465505920

約数和(自身を除く): 264866200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 157, 172, 215, 314, 344, 430, 628, 743, 785, 860, 1256, 1486, 1570, 1720, 2972, 3140, 3715, 5944, 6280, 6751, 7430, 13502, 14860, 27004, 29720, 31949, 33755, 54008, 63898, 67510, 116651, 127796, 135020, 159745, 233302, 255592, 270040, 319490, 466604, 583255, 638980, 933208, 1166510, 1277960, 2333020, 4666040, 5015993, 10031986, 20063972, 25079965, 40127944, 50159930, 100319860, 200639720]

約数ペア:

[(1, 200639720), (2, 100319860), (4, 50159930), (5, 40127944), (8, 25079965), (10, 20063972), (20, 10031986), (40, 5015993), (43, 4666040), (86, 2333020), (157, 1277960), (172, 1166510), (215, 933208), (314, 638980), (344, 583255), (430, 466604), (628, 319490), (743, 270040), (785, 255592), (860, 233302), (1256, 159745), (1486, 135020), (1570, 127796), (1720, 116651), (2972, 67510), (3140, 63898), (3715, 54008), (5944, 33755), (6280, 31949), (6751, 29720), (7430, 27004), (13502, 14860)]