205909090

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{1319}}^1$

素因数の和:1626

約数の個数: 32

約数和(自身を含む): 378069120

約数和(自身を除く): 172160030

約数列:

[1, 2, 5, 10, 67, 134, 233, 335, 466, 670, 1165, 1319, 2330, 2638, 6595, 13190, 15611, 31222, 78055, 88373, 156110, 176746, 307327, 441865, 614654, 883730, 1536635, 3073270, 20590909, 41181818, 102954545, 205909090]

約数ペア:

[(1, 205909090), (2, 102954545), (5, 41181818), (10, 20590909), (67, 3073270), (134, 1536635), (233, 883730), (335, 614654), (466, 441865), (670, 307327), (1165, 176746), (1319, 156110), (2330, 88373), (2638, 78055), (6595, 31222), (13190, 15611)]