85380785

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 125951760

約数和(自身を除く): 40570975

約数列:

[1, 5, 7, 29, 35, 49, 61, 145, 197, 203, 245, 305, 427, 985, 1015, 1379, 1421, 1769, 2135, 2989, 5713, 6895, 7105, 8845, 9653, 12017, 12383, 14945, 28565, 39991, 48265, 60085, 61915, 84119, 86681, 199955, 279937, 348493, 420595, 433405, 588833, 1399685, 1742465, 2439451, 2944165, 12197255, 17076157, 85380785]

約数ペア:

[(1, 85380785), (5, 17076157), (7, 12197255), (29, 2944165), (35, 2439451), (49, 1742465), (61, 1399685), (145, 588833), (197, 433405), (203, 420595), (245, 348493), (305, 279937), (427, 199955), (985, 86681), (1015, 84119), (1379, 61915), (1421, 60085), (1769, 48265), (2135, 39991), (2989, 28565), (5713, 14945), (6895, 12383), (7105, 12017), (8845, 9653)]