148959620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{391999}}^1$

素因数の和:392027

約数の個数: 24

約数和(自身を含む): 329280000

約数和(自身を除く): 180320380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 391999, 783998, 1567996, 1959995, 3919990, 7447981, 7839980, 14895962, 29791924, 37239905, 74479810, 148959620]

約数ペア:

[(1, 148959620), (2, 74479810), (4, 37239905), (5, 29791924), (10, 14895962), (19, 7839980), (20, 7447981), (38, 3919990), (76, 1959995), (95, 1567996), (190, 783998), (380, 391999)]