272840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 648000

約数和(自身を除く): 375160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 359, 380, 718, 760, 1436, 1795, 2872, 3590, 6821, 7180, 13642, 14360, 27284, 34105, 54568, 68210, 136420, 272840]

約数ペア:

[(1, 272840), (2, 136420), (4, 68210), (5, 54568), (8, 34105), (10, 27284), (19, 14360), (20, 13642), (38, 7180), (40, 6821), (76, 3590), (95, 2872), (152, 1795), (190, 1436), (359, 760), (380, 718)]