1887789890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{379837}}^1$

素因数の和:379922

約数の個数: 32

約数和(自身を含む): 3938160384

約数和(自身を除く): 2050370494

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 379837, 759674, 1899185, 2658859, 3798370, 5317718, 13294295, 26588590, 26968427, 53936854, 134842135, 188778989, 269684270, 377557978, 943894945, 1887789890]

約数ペア:

[(1, 1887789890), (2, 943894945), (5, 377557978), (7, 269684270), (10, 188778989), (14, 134842135), (35, 53936854), (70, 26968427), (71, 26588590), (142, 13294295), (355, 5317718), (497, 3798370), (710, 2658859), (994, 1899185), (2485, 759674), (4970, 379837)]