2440025

素因数分解:

$5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 3523584

約数和(自身を除く): 1083559

約数列:

[1, 5, 7, 25, 35, 73, 175, 191, 365, 511, 955, 1337, 1825, 2555, 4775, 6685, 12775, 13943, 33425, 69715, 97601, 348575, 488005, 2440025]

約数ペア:

[(1, 2440025), (5, 488005), (7, 348575), (25, 97601), (35, 69715), (73, 33425), (175, 13943), (191, 12775), (365, 6685), (511, 4775), (955, 2555), (1337, 1825)]