2401990

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{599}}^1$

素因数の和:1007

約数の個数: 16

約数和(自身を含む): 4341600

約数和(自身を除く): 1939610

約数列:

[1, 2, 5, 10, 401, 599, 802, 1198, 2005, 2995, 4010, 5990, 240199, 480398, 1200995, 2401990]

約数ペア:

[(1, 2401990), (2, 1200995), (5, 480398), (10, 240199), (401, 5990), (599, 4010), (802, 2995), (1198, 2005)]