308989345

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 450660240

約数和(自身を除く): 141670895

約数列:

[1, 5, 7, 29, 35, 49, 145, 157, 203, 245, 277, 785, 1015, 1099, 1385, 1421, 1939, 4553, 5495, 7105, 7693, 8033, 9695, 13573, 22765, 31871, 38465, 40165, 43489, 56231, 67865, 159355, 217445, 223097, 281155, 304423, 393617, 1115485, 1261181, 1522115, 1968085, 2130961, 6305905, 8828267, 10654805, 44141335, 61797869, 308989345]

約数ペア:

[(1, 308989345), (5, 61797869), (7, 44141335), (29, 10654805), (35, 8828267), (49, 6305905), (145, 2130961), (157, 1968085), (203, 1522115), (245, 1261181), (277, 1115485), (785, 393617), (1015, 304423), (1099, 281155), (1385, 223097), (1421, 217445), (1939, 159355), (4553, 67865), (5495, 56231), (7105, 43489), (7693, 40165), (8033, 38465), (9695, 31871), (13573, 22765)]