137200

素因数分解:

$2^4\times 5^2\times 7^3$

素因数の和:39

約数の個数: 60

約数和(自身を含む): 384400

約数和(自身を除く): 247200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 343, 350, 392, 400, 490, 560, 686, 700, 784, 980, 1225, 1372, 1400, 1715, 1960, 2450, 2744, 2800, 3430, 3920, 4900, 5488, 6860, 8575, 9800, 13720, 17150, 19600, 27440, 34300, 68600, 137200]

約数ペア:

[(1, 137200), (2, 68600), (4, 34300), (5, 27440), (7, 19600), (8, 17150), (10, 13720), (14, 9800), (16, 8575), (20, 6860), (25, 5488), (28, 4900), (35, 3920), (40, 3430), (49, 2800), (50, 2744), (56, 2450), (70, 1960), (80, 1715), (98, 1400), (100, 1372), (112, 1225), (140, 980), (175, 784), (196, 700), (200, 686), (245, 560), (280, 490), (343, 400), (350, 392)]