30731260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{967}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 74156544

約数和(自身を除く): 43425284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 967, 1135, 1589, 1934, 2270, 3178, 3868, 4540, 4835, 6356, 6769, 7945, 9670, 13538, 15890, 19340, 27076, 31780, 33845, 67690, 135380, 219509, 439018, 878036, 1097545, 1536563, 2195090, 3073126, 4390180, 6146252, 7682815, 15365630, 30731260]

約数ペア:

[(1, 30731260), (2, 15365630), (4, 7682815), (5, 6146252), (7, 4390180), (10, 3073126), (14, 2195090), (20, 1536563), (28, 1097545), (35, 878036), (70, 439018), (140, 219509), (227, 135380), (454, 67690), (908, 33845), (967, 31780), (1135, 27076), (1589, 19340), (1934, 15890), (2270, 13538), (3178, 9670), (3868, 7945), (4540, 6769), (4835, 6356)]