2012055155

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 2779951104

約数和(自身を除く): 767895949

約数列:

[1, 5, 11, 31, 55, 71, 121, 155, 341, 355, 605, 781, 1511, 1705, 2201, 3751, 3905, 7555, 8591, 11005, 16621, 18755, 24211, 42955, 46841, 83105, 107281, 121055, 182831, 234205, 266321, 515251, 536405, 914155, 1180091, 1331605, 2576255, 3325711, 5667761, 5900455, 12981001, 16628555, 28338805, 36582821, 64905005, 182914105, 402411031, 2012055155]

約数ペア:

[(1, 2012055155), (5, 402411031), (11, 182914105), (31, 64905005), (55, 36582821), (71, 28338805), (121, 16628555), (155, 12981001), (341, 5900455), (355, 5667761), (605, 3325711), (781, 2576255), (1511, 1331605), (1705, 1180091), (2201, 914155), (3751, 536405), (3905, 515251), (7555, 266321), (8591, 234205), (11005, 182831), (16621, 121055), (18755, 107281), (24211, 83105), (42955, 46841)]