16453780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 39747456

約数和(自身を除く): 23293676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 557, 844, 1055, 1114, 1477, 2110, 2228, 2785, 2954, 3899, 4220, 5570, 5908, 7385, 7798, 11140, 14770, 15596, 19495, 29540, 38990, 77980, 117527, 235054, 470108, 587635, 822689, 1175270, 1645378, 2350540, 3290756, 4113445, 8226890, 16453780]

約数ペア:

[(1, 16453780), (2, 8226890), (4, 4113445), (5, 3290756), (7, 2350540), (10, 1645378), (14, 1175270), (20, 822689), (28, 587635), (35, 470108), (70, 235054), (140, 117527), (211, 77980), (422, 38990), (557, 29540), (844, 19495), (1055, 15596), (1114, 14770), (1477, 11140), (2110, 7798), (2228, 7385), (2785, 5908), (2954, 5570), (3899, 4220)]