210700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{43}}^1$

素因数の和:71

約数の個数: 54

約数和(自身を含む): 544236

約数和(自身を除く): 333536

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 49, 50, 70, 86, 98, 100, 140, 172, 175, 196, 215, 245, 301, 350, 430, 490, 602, 700, 860, 980, 1075, 1204, 1225, 1505, 2107, 2150, 2450, 3010, 4214, 4300, 4900, 6020, 7525, 8428, 10535, 15050, 21070, 30100, 42140, 52675, 105350, 210700]

約数ペア:

[(1, 210700), (2, 105350), (4, 52675), (5, 42140), (7, 30100), (10, 21070), (14, 15050), (20, 10535), (25, 8428), (28, 7525), (35, 6020), (43, 4900), (49, 4300), (50, 4214), (70, 3010), (86, 2450), (98, 2150), (100, 2107), (140, 1505), (172, 1225), (175, 1204), (196, 1075), (215, 980), (245, 860), (301, 700), (350, 602), (430, 490)]