138350020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{364079}}^1$

素因数の和:364107

約数の個数: 24

約数和(自身を含む): 305827200

約数和(自身を除く): 167477180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 364079, 728158, 1456316, 1820395, 3640790, 6917501, 7281580, 13835002, 27670004, 34587505, 69175010, 138350020]

約数ペア:

[(1, 138350020), (2, 69175010), (4, 34587505), (5, 27670004), (10, 13835002), (19, 7281580), (20, 6917501), (38, 3640790), (76, 1820395), (95, 1456316), (190, 728158), (380, 364079)]