387505180

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{29401}}^1$

素因数の和:30069

約数の個数: 24

約数和(自身を含む): 815023440

約数和(自身を除く): 427518260

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 6590, 13180, 29401, 58802, 117604, 147005, 294010, 588020, 19375259, 38750518, 77501036, 96876295, 193752590, 387505180]

約数ペア:

[(1, 387505180), (2, 193752590), (4, 96876295), (5, 77501036), (10, 38750518), (20, 19375259), (659, 588020), (1318, 294010), (2636, 147005), (3295, 117604), (6590, 58802), (13180, 29401)]