156787240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{206299}}^1$

素因数の和:206329

約数の個数: 32

約数和(自身を含む): 371340000

約数和(自身を除く): 214552760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 206299, 412598, 825196, 1031495, 1650392, 2062990, 3919681, 4125980, 7839362, 8251960, 15678724, 19598405, 31357448, 39196810, 78393620, 156787240]

約数ペア:

[(1, 156787240), (2, 78393620), (4, 39196810), (5, 31357448), (8, 19598405), (10, 15678724), (19, 8251960), (20, 7839362), (38, 4125980), (40, 3919681), (76, 2062990), (95, 1650392), (152, 1031495), (190, 825196), (380, 412598), (760, 206299)]