43400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1$

素因数の和:54

約数の個数: 48

約数和(自身を含む): 119040

約数和(自身を除く): 75640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 434, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 2170, 3100, 4340, 5425, 6200, 8680, 10850, 21700, 43400]

約数ペア:

[(1, 43400), (2, 21700), (4, 10850), (5, 8680), (7, 6200), (8, 5425), (10, 4340), (14, 3100), (20, 2170), (25, 1736), (28, 1550), (31, 1400), (35, 1240), (40, 1085), (50, 868), (56, 775), (62, 700), (70, 620), (100, 434), (124, 350), (140, 310), (155, 280), (175, 248), (200, 217)]