136420

素因数分解:

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

素因数の和:387

約数の個数: 24

約数和(自身を含む): 302400

約数和(自身を除く): 165980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 359, 380, 718, 1436, 1795, 3590, 6821, 7180, 13642, 27284, 34105, 68210, 136420]

約数ペア:

[(1, 136420), (2, 68210), (4, 34105), (5, 27284), (10, 13642), (19, 7180), (20, 6821), (38, 3590), (76, 1795), (95, 1436), (190, 718), (359, 380)]