389780342260

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{148771123}}^1$

素因数の和:148771263

約数の個数: 24

約数和(自身を含む): 824787111456

約数和(自身を除く): 435006769196

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 148771123, 297542246, 595084492, 743855615, 1487711230, 2975422460, 19489017113, 38978034226, 77956068452, 97445085565, 194890171130, 389780342260]

約数ペア:

[(1, 389780342260), (2, 194890171130), (4, 97445085565), (5, 77956068452), (10, 38978034226), (20, 19489017113), (131, 2975422460), (262, 1487711230), (524, 743855615), (655, 595084492), (1310, 297542246), (2620, 148771123)]