39897690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{189989}}^1$

素因数の和:190006

約数の個数: 32

約数和(自身を含む): 109434240

約数和(自身を除く): 69536550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 189989, 379978, 569967, 949945, 1139934, 1329923, 1899890, 2659846, 2849835, 3989769, 5699670, 6649615, 7979538, 13299230, 19948845, 39897690]

約数ペア:

[(1, 39897690), (2, 19948845), (3, 13299230), (5, 7979538), (6, 6649615), (7, 5699670), (10, 3989769), (14, 2849835), (15, 2659846), (21, 1899890), (30, 1329923), (35, 1139934), (42, 949945), (70, 569967), (105, 379978), (210, 189989)]