154089620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{405499}}^1$

素因数の和:405527

約数の個数: 24

約数和(自身を含む): 340620000

約数和(自身を除く): 186530380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 405499, 810998, 1621996, 2027495, 4054990, 7704481, 8109980, 15408962, 30817924, 38522405, 77044810, 154089620]

約数ペア:

[(1, 154089620), (2, 77044810), (4, 38522405), (5, 30817924), (10, 15408962), (19, 8109980), (20, 7704481), (38, 4054990), (76, 2027495), (95, 1621996), (190, 810998), (380, 405499)]