2123456530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19993}}^1$

素因数の和:20075

約数の個数: 64

約数和(自身を含む): 4433869440

約数和(自身を除く): 2310412910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 65, 86, 95, 130, 190, 215, 247, 430, 494, 559, 817, 1118, 1235, 1634, 2470, 2795, 4085, 5590, 8170, 10621, 19993, 21242, 39986, 53105, 99965, 106210, 199930, 259909, 379867, 519818, 759734, 859699, 1299545, 1719398, 1899335, 2599090, 3798670, 4298495, 4938271, 8596990, 9876542, 11176087, 16334281, 22352174, 24691355, 32668562, 49382710, 55880435, 81671405, 111760870, 163342810, 212345653, 424691306, 1061728265, 2123456530]

約数ペア:

[(1, 2123456530), (2, 1061728265), (5, 424691306), (10, 212345653), (13, 163342810), (19, 111760870), (26, 81671405), (38, 55880435), (43, 49382710), (65, 32668562), (86, 24691355), (95, 22352174), (130, 16334281), (190, 11176087), (215, 9876542), (247, 8596990), (430, 4938271), (494, 4298495), (559, 3798670), (817, 2599090), (1118, 1899335), (1235, 1719398), (1634, 1299545), (2470, 859699), (2795, 759734), (4085, 519818), (5590, 379867), (8170, 259909), (10621, 199930), (19993, 106210), (21242, 99965), (39986, 53105)]