257695670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{5821}}^1$

素因数の和:6080

約数の個数: 32

約数和(自身を含む): 490445280

約数和(自身を除く): 232749610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 233, 466, 1165, 2330, 4427, 5821, 8854, 11642, 22135, 29105, 44270, 58210, 110599, 221198, 552995, 1105990, 1356293, 2712586, 6781465, 13562930, 25769567, 51539134, 128847835, 257695670]

約数ペア:

[(1, 257695670), (2, 128847835), (5, 51539134), (10, 25769567), (19, 13562930), (38, 6781465), (95, 2712586), (190, 1356293), (233, 1105990), (466, 552995), (1165, 221198), (2330, 110599), (4427, 58210), (5821, 44270), (8854, 29105), (11642, 22135)]