1396956020

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{224591}}^1$

素因数の和:224911

約数の個数: 24

約数和(自身を含む): 2943053568

約数和(自身を除く): 1546097548

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 224591, 449182, 898364, 1122955, 2245910, 4491820, 69847801, 139695602, 279391204, 349239005, 698478010, 1396956020]

約数ペア:

[(1, 1396956020), (2, 698478010), (4, 349239005), (5, 279391204), (10, 139695602), (20, 69847801), (311, 4491820), (622, 2245910), (1244, 1122955), (1555, 898364), (3110, 449182), (6220, 224591)]