1900421270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1\times {\mathrm{661}}^1$

素因数の和:1181

約数の個数: 64

約数和(自身を含む): 3809306880

約数和(自身を除く): 1908885610

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 443, 590, 649, 661, 886, 1298, 1322, 2215, 3245, 3305, 4430, 4873, 6490, 6610, 7271, 9746, 14542, 24365, 26137, 36355, 38999, 48730, 52274, 72710, 77998, 130685, 194995, 261370, 287507, 292823, 389990, 428989, 575014, 585646, 857978, 1437535, 1464115, 2144945, 2875070, 2928230, 3221053, 4289890, 6442106, 16105265, 17276557, 32210530, 34553114, 86382785, 172765570, 190042127, 380084254, 950210635, 1900421270]

約数ペア:

[(1, 1900421270), (2, 950210635), (5, 380084254), (10, 190042127), (11, 172765570), (22, 86382785), (55, 34553114), (59, 32210530), (110, 17276557), (118, 16105265), (295, 6442106), (443, 4289890), (590, 3221053), (649, 2928230), (661, 2875070), (886, 2144945), (1298, 1464115), (1322, 1437535), (2215, 857978), (3245, 585646), (3305, 575014), (4430, 428989), (4873, 389990), (6490, 292823), (6610, 287507), (7271, 261370), (9746, 194995), (14542, 130685), (24365, 77998), (26137, 72710), (36355, 52274), (38999, 48730)]