15155210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 32097384

約数和(自身を除く): 16942174

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 197, 245, 314, 394, 490, 785, 985, 1099, 1379, 1570, 1970, 2198, 2758, 5495, 6895, 7693, 9653, 10990, 13790, 15386, 19306, 30929, 38465, 48265, 61858, 76930, 96530, 154645, 216503, 309290, 433006, 1082515, 1515521, 2165030, 3031042, 7577605, 15155210]

約数ペア:

[(1, 15155210), (2, 7577605), (5, 3031042), (7, 2165030), (10, 1515521), (14, 1082515), (35, 433006), (49, 309290), (70, 216503), (98, 154645), (157, 96530), (197, 76930), (245, 61858), (314, 48265), (394, 38465), (490, 30929), (785, 19306), (985, 15386), (1099, 13790), (1379, 10990), (1570, 9653), (1970, 7693), (2198, 6895), (2758, 5495)]