154449970

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{78401}}^1$

素因数の和:78605

約数の個数: 16

約数和(自身を含む): 279424728

約数和(自身を除く): 124974758

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 78401, 156802, 392005, 784010, 15444997, 30889994, 77224985, 154449970]

約数ペア:

[(1, 154449970), (2, 77224985), (5, 30889994), (10, 15444997), (197, 784010), (394, 392005), (985, 156802), (1970, 78401)]