778468850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{2129}}^1$

素因数の和:2315

約数の個数: 48

約数和(自身を含む): 1483297920

約数和(自身を除く): 704829070

約数列:

[1, 2, 5, 10, 25, 50, 71, 103, 142, 206, 355, 515, 710, 1030, 1775, 2129, 2575, 3550, 4258, 5150, 7313, 10645, 14626, 21290, 36565, 53225, 73130, 106450, 151159, 182825, 219287, 302318, 365650, 438574, 755795, 1096435, 1511590, 2192870, 3778975, 5482175, 7557950, 10964350, 15569377, 31138754, 77846885, 155693770, 389234425, 778468850]

約数ペア:

[(1, 778468850), (2, 389234425), (5, 155693770), (10, 77846885), (25, 31138754), (50, 15569377), (71, 10964350), (103, 7557950), (142, 5482175), (206, 3778975), (355, 2192870), (515, 1511590), (710, 1096435), (1030, 755795), (1775, 438574), (2129, 365650), (2575, 302318), (3550, 219287), (4258, 182825), (5150, 151159), (7313, 106450), (10645, 73130), (14626, 53225), (21290, 36565)]