30283820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1087}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 73113600

約数和(自身を除く): 42829780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1087, 1393, 1990, 2174, 2786, 3980, 4348, 5435, 5572, 6965, 7609, 10870, 13930, 15218, 21740, 27860, 30436, 38045, 76090, 152180, 216313, 432626, 865252, 1081565, 1514191, 2163130, 3028382, 4326260, 6056764, 7570955, 15141910, 30283820]

約数ペア:

[(1, 30283820), (2, 15141910), (4, 7570955), (5, 6056764), (7, 4326260), (10, 3028382), (14, 2163130), (20, 1514191), (28, 1081565), (35, 865252), (70, 432626), (140, 216313), (199, 152180), (398, 76090), (796, 38045), (995, 30436), (1087, 27860), (1393, 21740), (1990, 15218), (2174, 13930), (2786, 10870), (3980, 7609), (4348, 6965), (5435, 5572)]