30870385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 48698496

約数和(自身を除く): 17828111

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 221, 307, 455, 595, 845, 1105, 1183, 1535, 1547, 2149, 2873, 3991, 5219, 5915, 7735, 10745, 14365, 19955, 20111, 26095, 27937, 36533, 51883, 67847, 100555, 139685, 182665, 259415, 339235, 363181, 474929, 882011, 1815905, 2374645, 4410055, 6174077, 30870385]

約数ペア:

[(1, 30870385), (5, 6174077), (7, 4410055), (13, 2374645), (17, 1815905), (35, 882011), (65, 474929), (85, 363181), (91, 339235), (119, 259415), (169, 182665), (221, 139685), (307, 100555), (455, 67847), (595, 51883), (845, 36533), (1105, 27937), (1183, 26095), (1535, 20111), (1547, 19955), (2149, 14365), (2873, 10745), (3991, 7735), (5219, 5915)]