386959690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{80449}}^1$

素因数の和:80506

約数の個数: 32

約数和(自身を含む): 770389200

約数和(自身を除く): 383429510

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 80449, 160898, 402245, 804490, 1045837, 2091674, 2976613, 5229185, 5953226, 10458370, 14883065, 29766130, 38695969, 77391938, 193479845, 386959690]

約数ペア:

[(1, 386959690), (2, 193479845), (5, 77391938), (10, 38695969), (13, 29766130), (26, 14883065), (37, 10458370), (65, 5953226), (74, 5229185), (130, 2976613), (185, 2091674), (370, 1045837), (481, 804490), (962, 402245), (2405, 160898), (4810, 80449)]