208173880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{273913}}^1$

素因数の和:273943

約数の個数: 32

約数和(自身を含む): 493045200

約数和(自身を除く): 284871320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 273913, 547826, 1095652, 1369565, 2191304, 2739130, 5204347, 5478260, 10408694, 10956520, 20817388, 26021735, 41634776, 52043470, 104086940, 208173880]

約数ペア:

[(1, 208173880), (2, 104086940), (4, 52043470), (5, 41634776), (8, 26021735), (10, 20817388), (19, 10956520), (20, 10408694), (38, 5478260), (40, 5204347), (76, 2739130), (95, 2191304), (152, 1369565), (190, 1095652), (380, 547826), (760, 273913)]