1230606920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{298691}}^1$

素因数の和:298805

約数の個数: 32

約数和(自身を含む): 2795757120

約数和(自身を除く): 1565150200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 298691, 597382, 1194764, 1493455, 2389528, 2986910, 5973820, 11947640, 30765173, 61530346, 123060692, 153825865, 246121384, 307651730, 615303460, 1230606920]

約数ペア:

[(1, 1230606920), (2, 615303460), (4, 307651730), (5, 246121384), (8, 153825865), (10, 123060692), (20, 61530346), (40, 30765173), (103, 11947640), (206, 5973820), (412, 2986910), (515, 2389528), (824, 1493455), (1030, 1194764), (2060, 597382), (4120, 298691)]