77683400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20443}}^1$

素因数の和:20478

約数の個数: 48

約数和(自身を含む): 190129200

約数和(自身を除く): 112445800

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, 20443, 40886, 81772, 102215, 163544, 204430, 388417, 408860, 511075, 776834, 817720, 1022150, 1553668, 1942085, 2044300, 3107336, 3884170, 4088600, 7768340, 9710425, 15536680, 19420850, 38841700, 77683400]

約数ペア:

[(1, 77683400), (2, 38841700), (4, 19420850), (5, 15536680), (8, 9710425), (10, 7768340), (19, 4088600), (20, 3884170), (25, 3107336), (38, 2044300), (40, 1942085), (50, 1553668), (76, 1022150), (95, 817720), (100, 776834), (152, 511075), (190, 408860), (200, 388417), (380, 204430), (475, 163544), (760, 102215), (950, 81772), (1900, 40886), (3800, 20443)]