489314600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{128767}}^1$

素因数の和:128802

約数の個数: 48

約数和(自身を含む): 1197542400

約数和(自身を除く): 708227800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 128767, 257534, 515068, 643835, 1030136, 1287670, 2446573, 2575340, 3219175, 4893146, 5150680, 6438350, 9786292, 12232865, 12876700, 19572584, 24465730, 25753400, 48931460, 61164325, 97862920, 122328650, 244657300, 489314600]

約数ペア:

[(1, 489314600), (2, 244657300), (4, 122328650), (5, 97862920), (8, 61164325), (10, 48931460), (19, 25753400), (20, 24465730), (25, 19572584), (38, 12876700), (40, 12232865), (50, 9786292), (76, 6438350), (95, 5150680), (100, 4893146), (152, 3219175), (190, 2575340), (200, 2446573), (380, 1287670), (475, 1030136), (760, 643835), (950, 515068), (1900, 257534), (3800, 128767)]