30255260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1097}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 73047744

約数和(自身を除く): 42792484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1097, 1379, 1970, 2194, 2758, 3940, 4388, 5485, 5516, 6895, 7679, 10970, 13790, 15358, 21940, 27580, 30716, 38395, 76790, 153580, 216109, 432218, 864436, 1080545, 1512763, 2161090, 3025526, 4322180, 6051052, 7563815, 15127630, 30255260]

約数ペア:

[(1, 30255260), (2, 15127630), (4, 7563815), (5, 6051052), (7, 4322180), (10, 3025526), (14, 2161090), (20, 1512763), (28, 1080545), (35, 864436), (70, 432218), (140, 216109), (197, 153580), (394, 76790), (788, 38395), (985, 30716), (1097, 27580), (1379, 21940), (1970, 15358), (2194, 13790), (2758, 10970), (3940, 7679), (4388, 6895), (5485, 5516)]