715661990

素因数分解:

$2^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{35801}}^1$

素因数の和:37807

約数の個数: 16

約数和(自身を含む): 1288872000

約数和(自身を除く): 573210010

約数列:

[1, 2, 5, 10, 1999, 3998, 9995, 19990, 35801, 71602, 179005, 358010, 71566199, 143132398, 357830995, 715661990]

約数ペア:

[(1, 715661990), (2, 357830995), (5, 143132398), (10, 71566199), (1999, 358010), (3998, 179005), (9995, 71602), (19990, 35801)]