257770010

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{196771}}^1$

素因数の和:196909

約数の個数: 16

約数和(自身を含む): 467530272

約数和(自身を除く): 209760262

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 196771, 393542, 983855, 1967710, 25777001, 51554002, 128885005, 257770010]

約数ペア:

[(1, 257770010), (2, 128885005), (5, 51554002), (10, 25777001), (131, 1967710), (262, 983855), (655, 393542), (1310, 196771)]