253378970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 503193600

約数和(自身を除く): 249814630

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 127, 130, 149, 206, 254, 298, 515, 635, 745, 1030, 1270, 1339, 1490, 1651, 1937, 2678, 3302, 3874, 6695, 8255, 9685, 13081, 13390, 15347, 16510, 18923, 19370, 26162, 30694, 37846, 65405, 76735, 94615, 130810, 153470, 170053, 189230, 199511, 245999, 340106, 399022, 491998, 850265, 997555, 1229995, 1700530, 1949069, 1995110, 2459990, 3898138, 9745345, 19490690, 25337897, 50675794, 126689485, 253378970]

約数ペア:

[(1, 253378970), (2, 126689485), (5, 50675794), (10, 25337897), (13, 19490690), (26, 9745345), (65, 3898138), (103, 2459990), (127, 1995110), (130, 1949069), (149, 1700530), (206, 1229995), (254, 997555), (298, 850265), (515, 491998), (635, 399022), (745, 340106), (1030, 245999), (1270, 199511), (1339, 189230), (1490, 170053), (1651, 153470), (1937, 130810), (2678, 94615), (3302, 76735), (3874, 65405), (6695, 37846), (8255, 30694), (9685, 26162), (13081, 19370), (13390, 18923), (15347, 16510)]