30896740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1109}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 74592000

約数和(自身を除く): 43695260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1109, 1393, 1990, 2218, 2786, 3980, 4436, 5545, 5572, 6965, 7763, 11090, 13930, 15526, 22180, 27860, 31052, 38815, 77630, 155260, 220691, 441382, 882764, 1103455, 1544837, 2206910, 3089674, 4413820, 6179348, 7724185, 15448370, 30896740]

約数ペア:

[(1, 30896740), (2, 15448370), (4, 7724185), (5, 6179348), (7, 4413820), (10, 3089674), (14, 2206910), (20, 1544837), (28, 1103455), (35, 882764), (70, 441382), (140, 220691), (199, 155260), (398, 77630), (796, 38815), (995, 31052), (1109, 27860), (1393, 22180), (1990, 15526), (2218, 13930), (2786, 11090), (3980, 7763), (4436, 6965), (5545, 5572)]