30140180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{467}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 72648576

約数和(自身を除く): 42508396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461, 467, 922, 934, 1844, 1868, 2305, 2335, 3227, 3269, 4610, 4670, 6454, 6538, 9220, 9340, 12908, 13076, 16135, 16345, 32270, 32690, 64540, 65380, 215287, 430574, 861148, 1076435, 1507009, 2152870, 3014018, 4305740, 6028036, 7535045, 15070090, 30140180]

約数ペア:

[(1, 30140180), (2, 15070090), (4, 7535045), (5, 6028036), (7, 4305740), (10, 3014018), (14, 2152870), (20, 1507009), (28, 1076435), (35, 861148), (70, 430574), (140, 215287), (461, 65380), (467, 64540), (922, 32690), (934, 32270), (1844, 16345), (1868, 16135), (2305, 13076), (2335, 12908), (3227, 9340), (3269, 9220), (4610, 6538), (4670, 6454)]