1054403960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2671}}^1$

素因数の和:2892

約数の個数: 64

約数和(自身を含む): 2424038400

約数和(自身を除く): 1369634440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 139, 142, 278, 284, 355, 556, 568, 695, 710, 1112, 1390, 1420, 2671, 2780, 2840, 5342, 5560, 9869, 10684, 13355, 19738, 21368, 26710, 39476, 49345, 53420, 78952, 98690, 106840, 189641, 197380, 371269, 379282, 394760, 742538, 758564, 948205, 1485076, 1517128, 1856345, 1896410, 2970152, 3712690, 3792820, 7425380, 7585640, 14850760, 26360099, 52720198, 105440396, 131800495, 210880792, 263600990, 527201980, 1054403960]

約数ペア:

[(1, 1054403960), (2, 527201980), (4, 263600990), (5, 210880792), (8, 131800495), (10, 105440396), (20, 52720198), (40, 26360099), (71, 14850760), (139, 7585640), (142, 7425380), (278, 3792820), (284, 3712690), (355, 2970152), (556, 1896410), (568, 1856345), (695, 1517128), (710, 1485076), (1112, 948205), (1390, 758564), (1420, 742538), (2671, 394760), (2780, 379282), (2840, 371269), (5342, 197380), (5560, 189641), (9869, 106840), (10684, 98690), (13355, 78952), (19738, 53420), (21368, 49345), (26710, 39476)]