149119640

素因数分解:

$2^3\times 5^1\times {\mathrm{3727991}}^1$

素因数の和:3728002

約数の個数: 16

約数和(自身を含む): 335519280

約数和(自身を除く): 186399640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3727991, 7455982, 14911964, 18639955, 29823928, 37279910, 74559820, 149119640]

約数ペア:

[(1, 149119640), (2, 74559820), (4, 37279910), (5, 29823928), (8, 18639955), (10, 14911964), (20, 7455982), (40, 3727991)]