209376475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4729}}^1$

素因数の和:4780

約数の個数: 48

約数和(自身を含む): 337835520

約数和(自身を除く): 128459045

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 275, 385, 575, 805, 1265, 1771, 1925, 4025, 4729, 6325, 8855, 23645, 33103, 44275, 52019, 108767, 118225, 165515, 260095, 364133, 543835, 761369, 827575, 1196437, 1300475, 1820665, 2719175, 3806845, 5982185, 8375059, 9103325, 19034225, 29910925, 41875295, 209376475]

約数ペア:

[(1, 209376475), (5, 41875295), (7, 29910925), (11, 19034225), (23, 9103325), (25, 8375059), (35, 5982185), (55, 3806845), (77, 2719175), (115, 1820665), (161, 1300475), (175, 1196437), (253, 827575), (275, 761369), (385, 543835), (575, 364133), (805, 260095), (1265, 165515), (1771, 118225), (1925, 108767), (4025, 52019), (4729, 44275), (6325, 33103), (8855, 23645)]