231182020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 493355520

約数和(自身を除く): 262173500

約数列:

[1, 2, 4, 5, 10, 20, 137, 139, 274, 278, 548, 556, 607, 685, 695, 1214, 1370, 1390, 2428, 2740, 2780, 3035, 6070, 12140, 19043, 38086, 76172, 83159, 84373, 95215, 166318, 168746, 190430, 332636, 337492, 380860, 415795, 421865, 831590, 843730, 1663180, 1687460, 11559101, 23118202, 46236404, 57795505, 115591010, 231182020]

約数ペア:

[(1, 231182020), (2, 115591010), (4, 57795505), (5, 46236404), (10, 23118202), (20, 11559101), (137, 1687460), (139, 1663180), (274, 843730), (278, 831590), (548, 421865), (556, 415795), (607, 380860), (685, 337492), (695, 332636), (1214, 190430), (1370, 168746), (1390, 166318), (2428, 95215), (2740, 84373), (2780, 83159), (3035, 76172), (6070, 38086), (12140, 19043)]