1380451450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{1993}}^1$

素因数の和:3991

約数の個数: 48

約数和(自身を含む): 2937401280

約数和(自身を除く): 1556949830

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 1979, 1993, 3958, 3986, 9895, 9965, 13853, 13951, 19790, 19930, 27706, 27902, 49475, 49825, 69265, 69755, 98950, 99650, 138530, 139510, 346325, 348775, 692650, 697550, 3944147, 7888294, 19720735, 27609029, 39441470, 55218058, 98603675, 138045145, 197207350, 276090290, 690225725, 1380451450]

約数ペア:

[(1, 1380451450), (2, 690225725), (5, 276090290), (7, 197207350), (10, 138045145), (14, 98603675), (25, 55218058), (35, 39441470), (50, 27609029), (70, 19720735), (175, 7888294), (350, 3944147), (1979, 697550), (1993, 692650), (3958, 348775), (3986, 346325), (9895, 139510), (9965, 138530), (13853, 99650), (13951, 98950), (19790, 69755), (19930, 69265), (27706, 49825), (27902, 49475)]